157185280512 has 160 divisors (see below), whose sum is σ = 501070637760. Its totient is φ = 48364646400.

The previous prime is 157185280501. The next prime is 157185280517. The reversal of 157185280512 is 215082581751.

It is a happy number.

157185280512 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 8 + 52 + 80 + 512 = 666.

It is a super-2 number, since 2×157185280512² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157185280517) 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 15 ways as a sum of consecutive naturals, for example, 257614 + ... + 617037.

It is an arithmetic number, because the mean of its divisors is an integer number (3131691486).

Almost surely, 2^157185280512 is an apocalyptic number.

157185280512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157185280512 is an abundant number, since it is smaller than the sum of its proper divisors (343885357248).

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

157185280512 is an equidigital number, since it uses as much as digits as its factorization.

157185280512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874691 (or 874669 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 45.

The spelling of 157185280512 in words is "one hundred fifty-seven billion, one hundred eighty-five million, two hundred eighty thousand, five hundred twelve".