51023144425 has 12 divisors (see below), whose sum is σ = 69020399376. Its totient is φ = 37107741200.

The previous prime is 51023144377. The next prime is 51023144477. The reversal of 51023144425 is 52444132015.

It is not a de Polignac number, because 51023144425 - 2¹³ = 51023136233 is a prime.

It is a super-2 number, since 2×51023144425² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92769079 + ... + 92769628.

It is an arithmetic number, because the mean of its divisors is an integer number (5751699948).

Almost surely, 2^51023144425 is an apocalyptic number.

51023144425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51023144425 is a deficient number, since it is larger than the sum of its proper divisors (17997254951).

51023144425 is a wasteful number, since it uses less digits than its factorization.

51023144425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185538728 (or 185538723 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 51023144425 in words is "fifty-one billion, twenty-three million, one hundred forty-four thousand, four hundred twenty-five".