51056001105 has 32 divisors (see below), whose sum is σ = 86320373760. Its totient is φ = 25716250560.

The previous prime is 51056001103. The next prime is 51056001121. The reversal of 51056001105 is 50110065015.

It is not a de Polignac number, because 51056001105 - 2¹ = 51056001103 is a prime.

It is a super-2 number, since 2×51056001105² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51056001103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909381 + ... + 963890.

It is an arithmetic number, because the mean of its divisors is an integer number (2697511680).

Almost surely, 2^51056001105 is an apocalyptic number.

It is an amenable number.

51056001105 is a deficient number, since it is larger than the sum of its proper divisors (35264372655).

51056001105 is a wasteful number, since it uses less digits than its factorization.

51056001105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873381.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 51056001105 in words is "fifty-one billion, fifty-six million, one thousand, one hundred five".