51023245105 has 32 divisors (see below), whose sum is σ = 73407306240. Its totient is φ = 33305072640.

The previous prime is 51023245093. The next prime is 51023245109. The reversal of 51023245105 is 50154232015.

It is not a de Polignac number, because 51023245105 - 2²⁷ = 50889027377 is a prime.

It is a super-2 number, since 2×51023245105² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51023245109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281944 + ... + 426073.

It is an arithmetic number, because the mean of its divisors is an integer number (2293978320).

Almost surely, 2^51023245105 is an apocalyptic number.

It is an amenable number.

51023245105 is a deficient number, since it is larger than the sum of its proper divisors (22384061135).

51023245105 is a wasteful number, since it uses less digits than its factorization.

51023245105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708129.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 51023245105 in words is "fifty-one billion, twenty-three million, two hundred forty-five thousand, one hundred five".