13000511907 has 24 divisors (see below), whose sum is σ = 19492964400. Its totient is φ = 8658576000.

The previous prime is 13000511903. The next prime is 13000511917. The reversal of 13000511907 is 70911500031.

It is a happy number.

It is not a de Polignac number, because 13000511907 - 2² = 13000511903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13000511903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229407 + ... + 280407.

It is an arithmetic number, because the mean of its divisors is an integer number (812206850).

Almost surely, 2^13000511907 is an apocalyptic number.

13000511907 is a deficient number, since it is larger than the sum of its proper divisors (6492452493).

13000511907 is an equidigital number, since it uses as much as digits as its factorization.

13000511907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52065 (or 52053 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The spelling of 13000511907 in words is "thirteen billion, five hundred eleven thousand, nine hundred seven".