105515992 has 8 divisors (see below), whose sum is σ = 197842500. Its totient is φ = 52757992.

The previous prime is 105515983. The next prime is 105516041. The reversal of 105515992 is 299515501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105515992² = 22267249135488128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6594742 + ... + 6594757.

Almost surely, 2^105515992 is an apocalyptic number.

It is an amenable number.

105515992 is a deficient number, since it is larger than the sum of its proper divisors (92326508).

105515992 is a wasteful number, since it uses less digits than its factorization.

105515992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13189505 (or 13189501 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 37.

The square root of 105515992 is about 10272.0977409680. The cubic root of 105515992 is about 472.5409268133.

The spelling of 105515992 in words is "one hundred five million, five hundred fifteen thousand, nine hundred ninety-two".