100055236639 has 2 divisors, whose sum is σ = 100055236640. Its totient is φ = 100055236638.

The previous prime is 100055236613. The next prime is 100055236651. The reversal of 100055236639 is 936632550001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100055236639 - 2⁷ = 100055236511 is a prime.

It is a super-2 number, since 2×100055236639² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100055236679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50027618319 + 50027618320.

It is an arithmetic number, because the mean of its divisors is an integer number (50027618320).

Almost surely, 2^100055236639 is an apocalyptic number.

100055236639 is a deficient number, since it is larger than the sum of its proper divisors (1).

100055236639 is an equidigital number, since it uses as much as digits as its factorization.

100055236639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 100055236639 in words is "one hundred billion, fifty-five million, two hundred thirty-six thousand, six hundred thirty-nine".