13151661508 has 12 divisors (see below), whose sum is σ = 23016355600. Its totient is φ = 6575559912.

The previous prime is 13151661493. The next prime is 13151661539. The reversal of 13151661508 is 80516615131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74935 + ... + 178657.

Almost surely, 2^13151661508 is an apocalyptic number.

It is an amenable number.

13151661508 is a deficient number, since it is larger than the sum of its proper divisors (9864694092).

13151661508 is a wasteful number, since it uses less digits than its factorization.

13151661508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135426 (or 135424 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 13151661508 in words is "thirteen billion, one hundred fifty-one million, six hundred sixty-one thousand, five hundred eight".