13151497278 has 16 divisors (see below), whose sum is σ = 26306341776. Its totient is φ = 4383274560.

The previous prime is 13151497253. The next prime is 13151497283. The reversal of 13151497278 is 87279415131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86863 + ... + 183978.

It is an arithmetic number, because the mean of its divisors is an integer number (1644146361).

Almost surely, 2^13151497278 is an apocalyptic number.

13151497278 is an abundant number, since it is smaller than the sum of its proper divisors (13154844498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13151497278 is a wasteful number, since it uses less digits than its factorization.

13151497278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278939.

The product of its digits is 423360, while the sum is 48.

The spelling of 13151497278 in words is "thirteen billion, one hundred fifty-one million, four hundred ninety-seven thousand, two hundred seventy-eight".