51100601123 has 16 divisors (see below), whose sum is σ = 60617147136. Its totient is φ = 42465284640.

The previous prime is 51100601107. The next prime is 51100601129. The reversal of 51100601123 is 32110600115.

It is a cyclic number.

It is not a de Polignac number, because 51100601123 - 2⁴ = 51100601107 is a prime.

It is a super-2 number, since 2×51100601123² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51100601095 and 51100601104.

It is not an unprimeable number, because it can be changed into a prime (51100601129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719965 + ... + 1749422.

It is an arithmetic number, because the mean of its divisors is an integer number (3788571696).

Almost surely, 2^51100601123 is an apocalyptic number.

51100601123 is a deficient number, since it is larger than the sum of its proper divisors (9516546013).

51100601123 is a wasteful number, since it uses less digits than its factorization.

51100601123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469514.

The product of its (nonzero) digits is 180, while the sum is 20.

The spelling of 51100601123 in words is "fifty-one billion, one hundred million, six hundred one thousand, one hundred twenty-three".