51109340007 has 16 divisors (see below), whose sum is σ = 74362491648. Its totient is φ = 30966343680.

The previous prime is 51109339961. The next prime is 51109340021. The reversal of 51109340007 is 70004390115.

It is not a de Polignac number, because 51109340007 - 2¹⁴ = 51109323623 is a prime.

It is a super-2 number, since 2×51109340007² (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 (51109348007) 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, 109338 + ... + 337895.

It is an arithmetic number, because the mean of its divisors is an integer number (4647655728).

Almost surely, 2^51109340007 is an apocalyptic number.

51109340007 is a deficient number, since it is larger than the sum of its proper divisors (23253151641).

51109340007 is a wasteful number, since it uses less digits than its factorization.

51109340007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450710.

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 51109340007 in words is "fifty-one billion, one hundred nine million, three hundred forty thousand, seven".