157156170223575 has 96 divisors (see below), whose sum is σ = 264280834944000. Its totient is φ = 82391455710720.

The previous prime is 157156170223571. The next prime is 157156170223597. The reversal of 157156170223575 is 575322071651751.

It is not a de Polignac number, because 157156170223575 - 2² = 157156170223571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157156170223571) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1350231532 + ... + 1350347918.

It is an arithmetic number, because the mean of its divisors is an integer number (2752925364000).

Almost surely, 2^{157156170223575} is an apocalyptic number.

157156170223575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157156170223575 is a deficient number, since it is larger than the sum of its proper divisors (107124664720425).

157156170223575 is a wasteful number, since it uses less digits than its factorization.

157156170223575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117481 (or 117476 counting only the distinct ones).

The product of its (nonzero) digits is 15435000, while the sum is 57.

The spelling of 157156170223575 in words is "one hundred fifty-seven trillion, one hundred fifty-six billion, one hundred seventy million, two hundred twenty-three thousand, five hundred seventy-five".