13150878826 has 4 divisors (see below), whose sum is σ = 19726318242. Its totient is φ = 6575439412.

The previous prime is 13150878799. The next prime is 13150878857. The reversal of 13150878826 is 62887805131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13144851801 + 6027025 = 114651^2 + 2455^2 .

It is a super-2 number, since 2×13150878826² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13150878826.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3287719705 + ... + 3287719708.

Almost surely, 2^13150878826 is an apocalyptic number.

13150878826 is a deficient number, since it is larger than the sum of its proper divisors (6575439416).

13150878826 is an equidigital number, since it uses as much as digits as its factorization.

13150878826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575439415.

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 13150878826 in words is "thirteen billion, one hundred fifty million, eight hundred seventy-eight thousand, eight hundred twenty-six".