105157638479 has 2 divisors, whose sum is σ = 105157638480. Its totient is φ = 105157638478.

The previous prime is 105157638407. The next prime is 105157638503. The reversal of 105157638479 is 974836751501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105157638479 - 2³² = 100862671183 is a prime.

It is a super-2 number, since 2×105157638479² (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 (105157688479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52578819239 + 52578819240.

It is an arithmetic number, because the mean of its divisors is an integer number (52578819240).

Almost surely, 2^105157638479 is an apocalyptic number.

105157638479 is a deficient number, since it is larger than the sum of its proper divisors (1).

105157638479 is an equidigital number, since it uses as much as digits as its factorization.

105157638479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 105157638479 in words is "one hundred five billion, one hundred fifty-seven million, six hundred thirty-eight thousand, four hundred seventy-nine".