1151015136 has 48 divisors (see below), whose sum is σ = 3180441600. Its totient is φ = 363477888.

The previous prime is 1151015093. The next prime is 1151015149. The reversal of 1151015136 is 6315101511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313696 + ... + 317343.

It is an arithmetic number, because the mean of its divisors is an integer number (66259200).

Almost surely, 2^1151015136 is an apocalyptic number.

1151015136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1151015136 is an abundant number, since it is smaller than the sum of its proper divisors (2029426464).

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

1151015136 is a wasteful number, since it uses less digits than its factorization.

1151015136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631071 (or 631063 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 1151015136 is about 33926.6139778198. The cubic root of 1151015136 is about 1047.9977371122.

Adding to 1151015136 its reverse (6315101511), we get a palindrome (7466116647).

The spelling of 1151015136 in words is "one billion, one hundred fifty-one million, fifteen thousand, one hundred thirty-six".