1136911680 has 224 divisors, whose sum is σ = 4038478080. Its totient is φ = 301086720.

The previous prime is 1136911649. The next prime is 1136911681. The reversal of 1136911680 is 861196311.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136911681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1563477 + ... + 1564203.

It is an arithmetic number, because the mean of its divisors is an integer number (18028920).

Almost surely, 2^1136911680 is an apocalyptic number.

1136911680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1136911680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019239040).

1136911680 is an abundant number, since it is smaller than the sum of its proper divisors (2901566400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1136911680 is a wasteful number, since it uses less digits than its factorization.

1136911680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1136911680 is about 33718.1209440858. The cubic root of 1136911680 is about 1043.6997418998.

The spelling of 1136911680 in words is "one billion, one hundred thirty-six million, nine hundred eleven thousand, six hundred eighty".