157206417125 has 16 divisors (see below), whose sum is σ = 197510367600. Its totient is φ = 124921057600.

The previous prime is 157206417091. The next prime is 157206417133. The reversal of 157206417125 is 521714602751.

It can be written as a sum of positive squares in 8 ways, for example, as 44008487524 + 113197929601 = 209782^2 + 336449^2 .

It is not a de Polignac number, because 157206417125 - 2³² = 152911449829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4201682 + ... + 4238931.

It is an arithmetic number, because the mean of its divisors is an integer number (12344397975).

Almost surely, 2^157206417125 is an apocalyptic number.

It is an amenable number.

157206417125 is a deficient number, since it is larger than the sum of its proper divisors (40303950475).

157206417125 is an equidigital number, since it uses as much as digits as its factorization.

157206417125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440777 (or 8440767 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 157206417125 in words is "one hundred fifty-seven billion, two hundred six million, four hundred seventeen thousand, one hundred twenty-five".