51104540507 has 2 divisors, whose sum is σ = 51104540508. Its totient is φ = 51104540506.

The previous prime is 51104540471. The next prime is 51104540537. The reversal of 51104540507 is 70504540115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51104540507 - 2¹⁰ = 51104539483 is a prime.

It is a super-2 number, since 2×51104540507² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51104540537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552270253 + 25552270254.

It is an arithmetic number, because the mean of its divisors is an integer number (25552270254).

Almost surely, 2^51104540507 is an apocalyptic number.

51104540507 is a deficient number, since it is larger than the sum of its proper divisors (1).

51104540507 is an equidigital number, since it uses as much as digits as its factorization.

51104540507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 32.

The spelling of 51104540507 in words is "fifty-one billion, one hundred four million, five hundred forty thousand, five hundred seven".