51100020359 has 2 divisors, whose sum is σ = 51100020360. Its totient is φ = 51100020358.

The previous prime is 51100020341. The next prime is 51100020371. The reversal of 51100020359 is 95302000115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51100020359 - 2¹² = 51100016263 is a prime.

It is a super-2 number, since 2×51100020359² (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 (51100020329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550010179 + 25550010180.

It is an arithmetic number, because the mean of its divisors is an integer number (25550010180).

Almost surely, 2^51100020359 is an apocalyptic number.

51100020359 is a deficient number, since it is larger than the sum of its proper divisors (1).

51100020359 is an equidigital number, since it uses as much as digits as its factorization.

51100020359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

The spelling of 51100020359 in words is "fifty-one billion, one hundred million, twenty thousand, three hundred fifty-nine".