13157461522 has 8 divisors (see below), whose sum is σ = 19741242636. Its totient is φ = 6577047312.

The previous prime is 13157461519. The next prime is 13157461531. The reversal of 13157461522 is 22516475131.

It can be written as a sum of positive squares in 2 ways, for example, as 12741668641 + 415792881 = 112879^2 + 20391^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831933 + ... + 847600.

Almost surely, 2^13157461522 is an apocalyptic number.

13157461522 is a deficient number, since it is larger than the sum of its proper divisors (6583781114).

13157461522 is a wasteful number, since it uses less digits than its factorization.

13157461522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683452.

The product of its digits is 50400, while the sum is 37.

The spelling of 13157461522 in words is "thirteen billion, one hundred fifty-seven million, four hundred sixty-one thousand, five hundred twenty-two".