8151105885513 has 4 divisors (see below), whose sum is σ = 10868141180688. Its totient is φ = 5434070590340.

The previous prime is 8151105885511. The next prime is 8151105885521. The reversal of 8151105885513 is 3155885011518.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8151105885513 - 2¹ = 8151105885511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8151105885511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358517647583 + ... + 1358517647588.

It is an arithmetic number, because the mean of its divisors is an integer number (2717035295172).

Almost surely, 2^{8151105885513} is an apocalyptic number.

It is an amenable number.

8151105885513 is a deficient number, since it is larger than the sum of its proper divisors (2717035295175).

8151105885513 is a wasteful number, since it uses less digits than its factorization.

8151105885513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717035295174.

The product of its (nonzero) digits is 960000, while the sum is 51.

The spelling of 8151105885513 in words is "eight trillion, one hundred fifty-one billion, one hundred five million, eight hundred eighty-five thousand, five hundred thirteen".