100642554206401 has 16 divisors (see below), whose sum is σ = 109595680747200. Its totient is φ = 92055226431168.

The previous prime is 100642554206377. The next prime is 100642554206407. The reversal of 100642554206401 is 104602455246001.

It is a cyclic number.

It is not a de Polignac number, because 100642554206401 - 2³⁹ = 100092798392513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100642554206407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17322126 + ... + 22390648.

It is an arithmetic number, because the mean of its divisors is an integer number (6849730046700).

Almost surely, 2^{100642554206401} is an apocalyptic number.

It is an amenable number.

100642554206401 is a deficient number, since it is larger than the sum of its proper divisors (8953126540799).

100642554206401 is a wasteful number, since it uses less digits than its factorization.

100642554206401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104608.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 100642554206401 in words is "one hundred trillion, six hundred forty-two billion, five hundred fifty-four million, two hundred six thousand, four hundred one".