51108104047 has 32 divisors (see below), whose sum is σ = 72232312320. Its totient is φ = 34826267520.

The previous prime is 51108104023. The next prime is 51108104053. The reversal of 51108104047 is 74040180115.

It is not a de Polignac number, because 51108104047 - 2¹⁵ = 51108071279 is a prime.

It is a super-2 number, since 2×51108104047² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51108104077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1324588 + ... + 1362625.

It is an arithmetic number, because the mean of its divisors is an integer number (2257259760).

Almost surely, 2^51108104047 is an apocalyptic number.

51108104047 is a deficient number, since it is larger than the sum of its proper divisors (21124208273).

51108104047 is a wasteful number, since it uses less digits than its factorization.

51108104047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687263.

The product of its (nonzero) digits is 4480, while the sum is 31.

The spelling of 51108104047 in words is "fifty-one billion, one hundred eight million, one hundred four thousand, forty-seven".