51113054549040 has 160 divisors (see below), whose sum is σ = 173760059215872. Its totient is φ = 12326168832000.

The previous prime is 51113054548939. The next prime is 51113054549059. The reversal of 51113054549040 is 4094545031115.

It is a super-2 number, since 2×51113054549040² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51113054548983 and 51113054549001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50179021 + ... + 51187500.

Almost surely, 2^{51113054549040} is an apocalyptic number.

It is an amenable number.

51113054549040 is an abundant number, since it is smaller than the sum of its proper divisors (122647004666832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51113054549040 is a wasteful number, since it uses less digits than its factorization.

51113054549040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101366739 (or 101366733 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 51113054549040 in words is "fifty-one trillion, one hundred thirteen billion, fifty-four million, five hundred forty-nine thousand, forty".