100605054261 has 16 divisors (see below), whose sum is σ = 138479697920. Its totient is φ = 64900614960.

The previous prime is 100605054257. The next prime is 100605054293. The reversal of 100605054261 is 162450506001.

It is not a de Polignac number, because 100605054261 - 2² = 100605054257 is a prime.

It is a super-2 number, since 2×100605054261² (a number of 23 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 (100605054061) 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, 1138800 + ... + 1223958.

It is an arithmetic number, because the mean of its divisors is an integer number (8654981120).

Almost surely, 2^100605054261 is an apocalyptic number.

It is an amenable number.

100605054261 is a deficient number, since it is larger than the sum of its proper divisors (37874643659).

100605054261 is a wasteful number, since it uses less digits than its factorization.

100605054261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97896.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 100605054261 in words is "one hundred billion, six hundred five million, fifty-four thousand, two hundred sixty-one".