115251167520 has 168 divisors, whose sum is σ = 408234988476. Its totient is φ = 30733613568.

The previous prime is 115251167519. The next prime is 115251167527. The reversal of 115251167520 is 25761152511.

115251167520 is a `hidden beast` number, since 1 + 1 + 52 + 511 + 6 + 75 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 110577531024 + 4673636496 = 332532^2 + 68364^2 .

It is a super-2 number, since 2×115251167520² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (115251167527) 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 27 ways as a sum of consecutive naturals, for example, 377407 + ... + 610686.

Almost surely, 2^115251167520 is an apocalyptic number.

115251167520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115251167520 is an abundant number, since it is smaller than the sum of its proper divisors (292983820956).

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

115251167520 is an frugal number, since it uses more digits than its factorization.

115251167520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988126 (or 988103 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 36.

The spelling of 115251167520 in words is "one hundred fifteen billion, two hundred fifty-one million, one hundred sixty-seven thousand, five hundred twenty".