157287380013 has 32 divisors (see below), whose sum is σ = 236109772800. Its totient is φ = 103476063600.

The previous prime is 157287379999. The next prime is 157287380053. The reversal of 157287380013 is 310083782751.

157287380013 is a `hidden beast` number, since 1 + 572 + 8 + 73 + 8 + 0 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 157287380013 - 2¹³ = 157287371821 is a prime.

It is a super-2 number, since 2×157287380013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157287380053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508908 + ... + 757338.

It is an arithmetic number, because the mean of its divisors is an integer number (7378430400).

Almost surely, 2^157287380013 is an apocalyptic number.

It is an amenable number.

157287380013 is a deficient number, since it is larger than the sum of its proper divisors (78822392787).

157287380013 is a wasteful number, since it uses less digits than its factorization.

157287380013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248750 (or 248744 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 157287380013 in words is "one hundred fifty-seven billion, two hundred eighty-seven million, three hundred eighty thousand, thirteen".