51140312425 has 24 divisors (see below), whose sum is σ = 64351104480. Its totient is φ = 40308854400.

The previous prime is 51140312423. The next prime is 51140312449. The reversal of 51140312425 is 52421304115.

It is not a de Polignac number, because 51140312425 - 2¹ = 51140312423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51140312393 and 51140312402.

It is not an unprimeable number, because it can be changed into a prime (51140312423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1757646 + ... + 1786504.

It is an arithmetic number, because the mean of its divisors is an integer number (2681296020).

Almost surely, 2^51140312425 is an apocalyptic number.

It is an amenable number.

51140312425 is a deficient number, since it is larger than the sum of its proper divisors (13210792055).

51140312425 is a wasteful number, since it uses less digits than its factorization.

51140312425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29913 (or 29908 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 51140312425 in words is "fifty-one billion, one hundred forty million, three hundred twelve thousand, four hundred twenty-five".