100862471557 has 2 divisors, whose sum is σ = 100862471558. Its totient is φ = 100862471556.

The previous prime is 100862471531. The next prime is 100862471599. The reversal of 100862471557 is 755174268001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92835386721 + 8027084836 = 304689^2 + 89594^2 .

It is a cyclic number.

It is not a de Polignac number, because 100862471557 - 2³⁵ = 66502733189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100862471657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50431235778 + 50431235779.

It is an arithmetic number, because the mean of its divisors is an integer number (50431235779).

Almost surely, 2^100862471557 is an apocalyptic number.

It is an amenable number.

100862471557 is a deficient number, since it is larger than the sum of its proper divisors (1).

100862471557 is an equidigital number, since it uses as much as digits as its factorization.

100862471557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 100862471557 in words is "one hundred billion, eight hundred sixty-two million, four hundred seventy-one thousand, five hundred fifty-seven".