157251511275 has 12 divisors (see below), whose sum is σ = 259989165432. Its totient is φ = 83867472640.

The previous prime is 157251511273. The next prime is 157251511337. The reversal of 157251511275 is 572115152751.

It is not a de Polignac number, because 157251511275 - 2¹ = 157251511273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157251511271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048343334 + ... + 1048343483.

It is an arithmetic number, because the mean of its divisors is an integer number (21665763786).

Almost surely, 2^157251511275 is an apocalyptic number.

157251511275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157251511275 is a deficient number, since it is larger than the sum of its proper divisors (102737654157).

157251511275 is a wasteful number, since it uses less digits than its factorization.

157251511275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096686830 (or 2096686825 counting only the distinct ones).

The product of its digits is 122500, while the sum is 42.

The spelling of 157251511275 in words is "one hundred fifty-seven billion, two hundred fifty-one million, five hundred eleven thousand, two hundred seventy-five".