157505559252 has 48 divisors (see below), whose sum is σ = 379501248000. Its totient is φ = 50790430080.

The previous prime is 157505559251. The next prime is 157505559257. The reversal of 157505559252 is 252955505751.

It is a junction number, because it is equal to n+sod(n) for n = 157505559195 and 157505559204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157505559251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009374 + ... + 1154922.

It is an arithmetic number, because the mean of its divisors is an integer number (7906276000).

Almost surely, 2^157505559252 is an apocalyptic number.

157505559252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157505559252 is an abundant number, since it is smaller than the sum of its proper divisors (221995688748).

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

157505559252 is a wasteful number, since it uses less digits than its factorization.

157505559252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148496 (or 148494 counting only the distinct ones).

The product of its (nonzero) digits is 3937500, while the sum is 51.

The spelling of 157505559252 in words is "one hundred fifty-seven billion, five hundred five million, five hundred fifty-nine thousand, two hundred fifty-two".