100485424133581 has 4 divisors (see below), whose sum is σ = 102623411881152. Its totient is φ = 98347436386012.

The previous prime is 100485424133573. The next prime is 100485424133639. The reversal of 100485424133581 is 185331424584001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100485424133581 - 2³ = 100485424133573 is a prime.

It is a super-2 number, since 2×100485424133581² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100485424133531) 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, 1068993873715 + ... + 1068993873808.

It is an arithmetic number, because the mean of its divisors is an integer number (25655852970288).

Almost surely, 2^{100485424133581} is an apocalyptic number.

It is an amenable number.

100485424133581 is a deficient number, since it is larger than the sum of its proper divisors (2137987747571).

100485424133581 is an equidigital number, since it uses as much as digits as its factorization.

100485424133581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137987747570.

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 100485424133581 in words is "one hundred trillion, four hundred eighty-five billion, four hundred twenty-four million, one hundred thirty-three thousand, five hundred eighty-one".