13015654711451 has 4 divisors (see below), whose sum is σ = 14875033955952. Its totient is φ = 11156275466952.

The previous prime is 13015654711447. The next prime is 13015654711517. The reversal of 13015654711451 is 15411745651031.

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

It is not a de Polignac number, because 13015654711451 - 2² = 13015654711447 is a prime.

It is a super-2 number, since 2×13015654711451² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13015654711351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929689622240 + ... + 929689622253.

It is an arithmetic number, because the mean of its divisors is an integer number (3718758488988).

Almost surely, 2^{13015654711451} is an apocalyptic number.

13015654711451 is a deficient number, since it is larger than the sum of its proper divisors (1859379244501).

13015654711451 is an equidigital number, since it uses as much as digits as its factorization.

13015654711451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859379244500.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 13015654711451 in words is "thirteen trillion, fifteen billion, six hundred fifty-four million, seven hundred eleven thousand, four hundred fifty-one".