157525812009508 has 24 divisors (see below), whose sum is σ = 285195032350200. Its totient is φ = 76041878830848.

The previous prime is 157525812009463. The next prime is 157525812009611. The reversal of 157525812009508 is 805900218525751.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15165167485504 + 142360644524004 = 3894248^2 + 11931498^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

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, 43472823 + ... + 46956766.

It is an arithmetic number, because the mean of its divisors is an integer number (11883126347925).

Almost surely, 2^{157525812009508} is an apocalyptic number.

It is an amenable number.

157525812009508 is a deficient number, since it is larger than the sum of its proper divisors (127669220340692).

157525812009508 is a wasteful number, since it uses less digits than its factorization.

157525812009508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90444639 (or 90444637 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 58.

The spelling of 157525812009508 in words is "one hundred fifty-seven trillion, five hundred twenty-five billion, eight hundred twelve million, nine thousand, five hundred eight".