100605661513 has 32 divisors (see below), whose sum is σ = 122476382208. Its totient is φ = 80671852800.

The previous prime is 100605661511. The next prime is 100605661529. The reversal of 100605661513 is 315166506001.

It is not a de Polignac number, because 100605661513 - 2¹ = 100605661511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100605661511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23776108 + ... + 23780338.

It is an arithmetic number, because the mean of its divisors is an integer number (3827386944).

Almost surely, 2^100605661513 is an apocalyptic number.

It is an amenable number.

100605661513 is a deficient number, since it is larger than the sum of its proper divisors (21870720695).

100605661513 is a wasteful number, since it uses less digits than its factorization.

100605661513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 100605661513 in words is "one hundred billion, six hundred five million, six hundred sixty-one thousand, five hundred thirteen".