51126152623 has 16 divisors (see below), whose sum is σ = 65660345856. Its totient is φ = 38692700640.

The previous prime is 51126152621. The next prime is 51126152629. The reversal of 51126152623 is 32625162115.

It is a cyclic number.

It is not a de Polignac number, because 51126152623 - 2¹ = 51126152621 is a prime.

It is a super-2 number, since 2×51126152623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51126152621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12211513 + ... + 12215698.

It is an arithmetic number, because the mean of its divisors is an integer number (4103771616).

Almost surely, 2^51126152623 is an apocalyptic number.

51126152623 is a deficient number, since it is larger than the sum of its proper divisors (14534193233).

51126152623 is a wasteful number, since it uses less digits than its factorization.

51126152623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24427254.

The product of its digits is 21600, while the sum is 34.

The spelling of 51126152623 in words is "fifty-one billion, one hundred twenty-six million, one hundred fifty-two thousand, six hundred twenty-three".