5156611611001 has 16 divisors (see below), whose sum is σ = 5271750608320. Its totient is φ = 5042602667520.

The previous prime is 5156611610993. The next prime is 5156611611043. The reversal of 5156611611001 is 1001161166515.

It is a cyclic number.

It is not a de Polignac number, because 5156611611001 - 2³ = 5156611610993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5156611611061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123814141 + ... + 123855781.

It is an arithmetic number, because the mean of its divisors is an integer number (329484413020).

Almost surely, 2^{5156611611001} is an apocalyptic number.

It is an amenable number.

5156611611001 is a deficient number, since it is larger than the sum of its proper divisors (115138997319).

5156611611001 is a wasteful number, since it uses less digits than its factorization.

5156611611001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55144.

The product of its (nonzero) digits is 5400, while the sum is 34.

Adding to 5156611611001 its reverse (1001161166515), we get a palindrome (6157772777516).

The spelling of 5156611611001 in words is "five trillion, one hundred fifty-six billion, six hundred eleven million, six hundred eleven thousand, one".