1133210765720 has 128 divisors (see below), whose sum is σ = 2937334233600. Its totient is φ = 389132236800.

The previous prime is 1133210765717. The next prime is 1133210765723. The reversal of 1133210765720 is 275670123311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1133210765717) and next prime (1133210765723).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133210765723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2382032 + ... + 2817888.

It is an arithmetic number, because the mean of its divisors is an integer number (22947923700).

Almost surely, 2^{1133210765720} is an apocalyptic number.

1133210765720 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 1133210765720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468667116800).

1133210765720 is an abundant number, since it is smaller than the sum of its proper divisors (1804123467880).

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

1133210765720 is a wasteful number, since it uses less digits than its factorization.

1133210765720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436209 (or 436205 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 1133210765720 in words is "one trillion, one hundred thirty-three billion, two hundred ten million, seven hundred sixty-five thousand, seven hundred twenty".