13187771462507 has 8 divisors (see below), whose sum is σ = 13470979332096. Its totient is φ = 12904672634152.

The previous prime is 13187771462497. The next prime is 13187771462513. The reversal of 13187771462507 is 70526417778131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13187771462507 is a prime.

It is a super-2 number, since 2×13187771462507² (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 (13187771462527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27015803 + ... + 27499620.

It is an arithmetic number, because the mean of its divisors is an integer number (1683872416512).

Almost surely, 2^{13187771462507} is an apocalyptic number.

13187771462507 is a deficient number, since it is larger than the sum of its proper divisors (283207869589).

13187771462507 is an equidigital number, since it uses as much as digits as its factorization.

13187771462507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54520617.

The product of its (nonzero) digits is 13829760, while the sum is 59.

The spelling of 13187771462507 in words is "thirteen trillion, one hundred eighty-seven billion, seven hundred seventy-one million, four hundred sixty-two thousand, five hundred seven".