100207602261 has 12 divisors (see below), whose sum is σ = 155878492588. Its totient is φ = 61666216704.

The previous prime is 100207602241. The next prime is 100207602311. The reversal of 100207602261 is 162206702001.

100207602261 is a `hidden beast` number, since 10 + 0 + 20 + 7 + 602 + 26 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 58343987025 + 41863615236 = 241545^2 + 204606^2 .

It is not a de Polignac number, because 100207602261 - 2⁷ = 100207602133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100207602241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428237500 + ... + 428237733.

Almost surely, 2^100207602261 is an apocalyptic number.

It is an amenable number.

100207602261 is a deficient number, since it is larger than the sum of its proper divisors (55670890327).

100207602261 is a wasteful number, since it uses less digits than its factorization.

100207602261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856475252 (or 856475249 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 100207602261 in words is "one hundred billion, two hundred seven million, six hundred two thousand, two hundred sixty-one".