100526399059181 has 2 divisors, whose sum is σ = 100526399059182. Its totient is φ = 100526399059180.

The previous prime is 100526399059153. The next prime is 100526399059187. The reversal of 100526399059181 is 181950993625001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100349625061156 + 176773998025 = 10017466^2 + 420445^2 .

It is a cyclic number.

It is not a de Polignac number, because 100526399059181 - 2¹⁸ = 100526398797037 is a prime.

It is a super-2 number, since 2×100526399059181² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100526399059181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100526399059187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50263199529590 + 50263199529591.

It is an arithmetic number, because the mean of its divisors is an integer number (50263199529591).

Almost surely, 2^{100526399059181} is an apocalyptic number.

It is an amenable number.

100526399059181 is a deficient number, since it is larger than the sum of its proper divisors (1).

100526399059181 is an equidigital number, since it uses as much as digits as its factorization.

100526399059181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5248800, while the sum is 59.

The spelling of 100526399059181 in words is "one hundred trillion, five hundred twenty-six billion, three hundred ninety-nine million, fifty-nine thousand, one hundred eighty-one".