51098856007 has 2 divisors, whose sum is σ = 51098856008. Its totient is φ = 51098856006.

The previous prime is 51098855999. The next prime is 51098856023. The reversal of 51098856007 is 70065889015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51098856007 - 2³ = 51098855999 is a prime.

It is a super-2 number, since 2×51098856007² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51098856607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25549428003 + 25549428004.

It is an arithmetic number, because the mean of its divisors is an integer number (25549428004).

Almost surely, 2^51098856007 is an apocalyptic number.

51098856007 is a deficient number, since it is larger than the sum of its proper divisors (1).

51098856007 is an equidigital number, since it uses as much as digits as its factorization.

51098856007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 51098856007 in words is "fifty-one billion, ninety-eight million, eight hundred fifty-six thousand, seven".