157557562505 has 8 divisors (see below), whose sum is σ = 216078942912. Its totient is φ = 108039471408.

The previous prime is 157557562501. The next prime is 157557562507. The reversal of 157557562505 is 505265755751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157557562505 - 2² = 157557562501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157557562501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2250822287 + ... + 2250822356.

It is an arithmetic number, because the mean of its divisors is an integer number (27009867864).

Almost surely, 2^157557562505 is an apocalyptic number.

It is an amenable number.

157557562505 is a deficient number, since it is larger than the sum of its proper divisors (58521380407).

157557562505 is an equidigital number, since it uses as much as digits as its factorization.

157557562505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501644655.

The product of its (nonzero) digits is 9187500, while the sum is 53.

The spelling of 157557562505 in words is "one hundred fifty-seven billion, five hundred fifty-seven million, five hundred sixty-two thousand, five hundred five".