51172433011 has 8 divisors (see below), whose sum is σ = 58488999264. Its totient is φ = 43857421440.

The previous prime is 51172432981. The next prime is 51172433021. The reversal of 51172433011 is 11033427115.

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

It is not a de Polignac number, because 51172433011 - 2⁵ = 51172432979 is a prime.

It is a super-2 number, since 2×51172433011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51172433021) 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, 317260 + ... + 450553.

It is an arithmetic number, because the mean of its divisors is an integer number (7311124908).

Almost surely, 2^51172433011 is an apocalyptic number.

51172433011 is a deficient number, since it is larger than the sum of its proper divisors (7316566253).

51172433011 is an equidigital number, since it uses as much as digits as its factorization.

51172433011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777341.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 51172433011 in words is "fifty-one billion, one hundred seventy-two million, four hundred thirty-three thousand, eleven".