100610506081 has 2 divisors, whose sum is σ = 100610506082. Its totient is φ = 100610506080.

The previous prime is 100610506069. The next prime is 100610506097. The reversal of 100610506081 is 180605016001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86176886481 + 14433619600 = 293559^2 + 120140^2 .

It is a cyclic number.

It is not a de Polignac number, because 100610506081 - 2²⁹ = 100073635169 is a prime.

It is a super-2 number, since 2×100610506081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100610506001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50305253040 + 50305253041.

It is an arithmetic number, because the mean of its divisors is an integer number (50305253041).

Almost surely, 2^100610506081 is an apocalyptic number.

It is an amenable number.

100610506081 is a deficient number, since it is larger than the sum of its proper divisors (1).

100610506081 is an equidigital number, since it uses as much as digits as its factorization.

100610506081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 100610506081 in words is "one hundred billion, six hundred ten million, five hundred six thousand, eighty-one".