51125155330 has 32 divisors (see below), whose sum is σ = 92952935424. Its totient is φ = 20244195456.

The previous prime is 51125155327. The next prime is 51125155349. The reversal of 51125155330 is 3355152115.

It is a super-2 number, since 2×51125155330² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51125155292 and 51125155301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516639 + ... + 1549981.

It is an arithmetic number, because the mean of its divisors is an integer number (2904779232).

Almost surely, 2^51125155330 is an apocalyptic number.

51125155330 is a deficient number, since it is larger than the sum of its proper divisors (41827780094).

51125155330 is a wasteful number, since it uses less digits than its factorization.

51125155330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34890.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 51125155330 in words is "fifty-one billion, one hundred twenty-five million, one hundred fifty-five thousand, three hundred thirty".