100881251369 has 4 divisors (see below), whose sum is σ = 106815442644. Its totient is φ = 94947060096.

The previous prime is 100881251353. The next prime is 100881251413. The reversal of 100881251369 is 963152188001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44445072400 + 56436178969 = 210820^2 + 237563^2 .

It is a cyclic number.

It is not a de Polignac number, because 100881251369 - 2⁴ = 100881251353 is a prime.

It is a super-2 number, since 2×100881251369² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100881251269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2967095612 + ... + 2967095645.

It is an arithmetic number, because the mean of its divisors is an integer number (26703860661).

Almost surely, 2^100881251369 is an apocalyptic number.

It is an amenable number.

100881251369 is a deficient number, since it is larger than the sum of its proper divisors (5934191275).

100881251369 is an equidigital number, since it uses as much as digits as its factorization.

100881251369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934191274.

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 100881251369 in words is "one hundred billion, eight hundred eighty-one million, two hundred fifty-one thousand, three hundred sixty-nine".