51023133025 has 12 divisors (see below), whose sum is σ = 64614828672. Its totient is φ = 39950026640.

The previous prime is 51023133013. The next prime is 51023133037. The reversal of 51023133025 is 52033132015.

It is an interprime number because it is at equal distance from previous prime (51023133013) and next prime (51023133037).

It is not a de Polignac number, because 51023133025 - 2²¹ = 51021035873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

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, 21710797 + ... + 21713146.

It is an arithmetic number, because the mean of its divisors is an integer number (5384569056).

Almost surely, 2^51023133025 is an apocalyptic number.

It is an amenable number.

51023133025 is a deficient number, since it is larger than the sum of its proper divisors (13591695647).

51023133025 is a wasteful number, since it uses less digits than its factorization.

51023133025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43424000 (or 43423995 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 51023133025 in words is "fifty-one billion, twenty-three million, one hundred thirty-three thousand, twenty-five".