51125155472853 has 96 divisors (see below), whose sum is σ = 94320311904000. Its totient is φ = 25909333401600.

The previous prime is 51125155472821. The next prime is 51125155472891. The reversal of 51125155472853 is 35827455152115.

51125155472853 is a `hidden beast` number, since 5 + 1 + 1 + 2 + 5 + 1 + 554 + 7 + 2 + 85 + 3 = 666.

It is not a de Polignac number, because 51125155472853 - 2⁵ = 51125155472821 is a prime.

It is a super-2 number, since 2×51125155472853² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51125155472853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51125155472753) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 686676573 + ... + 686751021.

It is an arithmetic number, because the mean of its divisors is an integer number (982503249000).

Almost surely, 2^{51125155472853} is an apocalyptic number.

It is an amenable number.

51125155472853 is a deficient number, since it is larger than the sum of its proper divisors (43195156431147).

51125155472853 is a wasteful number, since it uses less digits than its factorization.

51125155472853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98683 (or 98680 counting only the distinct ones).

The product of its digits is 8400000, while the sum is 54.

The spelling of 51125155472853 in words is "fifty-one trillion, one hundred twenty-five billion, one hundred fifty-five million, four hundred seventy-two thousand, eight hundred fifty-three".