51122623541 has 12 divisors (see below), whose sum is σ = 56416544352. Its totient is φ = 46289925000.

The previous prime is 51122623511. The next prime is 51122623627. The reversal of 51122623541 is 14532622115.

It is not a de Polignac number, because 51122623541 - 2³⁴ = 33942754357 is a prime.

It is a super-2 number, since 2×51122623541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51122623498 and 51122623507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122623511) 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 11 ways as a sum of consecutive naturals, for example, 811265 + ... + 872006.

It is an arithmetic number, because the mean of its divisors is an integer number (4701378696).

Almost surely, 2^51122623541 is an apocalyptic number.

It is an amenable number.

51122623541 is a deficient number, since it is larger than the sum of its proper divisors (5293920811).

51122623541 is a wasteful number, since it uses less digits than its factorization.

51122623541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683544 (or 1683533 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The spelling of 51122623541 in words is "fifty-one billion, one hundred twenty-two million, six hundred twenty-three thousand, five hundred forty-one".