51101110051155 has 48 divisors (see below), whose sum is σ = 89145262612224. Its totient is φ = 27078684264000.

The previous prime is 51101110051111. The next prime is 51101110051171. The reversal of 51101110051155 is 55115001110115.

It is not a de Polignac number, because 51101110051155 - 2⁶ = 51101110051091 is a prime.

It is a super-2 number, since 2×51101110051155² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15405852 + ... + 18426678.

It is an arithmetic number, because the mean of its divisors is an integer number (1857192971088).

Almost surely, 2^{51101110051155} is an apocalyptic number.

51101110051155 is a deficient number, since it is larger than the sum of its proper divisors (38044152561069).

51101110051155 is a wasteful number, since it uses less digits than its factorization.

51101110051155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023256 (or 3023253 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 27.

The spelling of 51101110051155 in words is "fifty-one trillion, one hundred one billion, one hundred ten million, fifty-one thousand, one hundred fifty-five".