10115559 has 6 divisors (see below), whose sum is σ = 14611376. Its totient is φ = 6743700.

The previous prime is 10115557. The next prime is 10115563. The reversal of 10115559 is 95551101.

10115559 is a `hidden beast` number, since 101 + 1 + 5 + 559 = 666.

It is not a de Polignac number, because 10115559 - 2¹ = 10115557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10115557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561967 + ... + 561984.

Almost surely, 2^10115559 is an apocalyptic number.

10115559 is a deficient number, since it is larger than the sum of its proper divisors (4495817).

10115559 is a wasteful number, since it uses less digits than its factorization.

10115559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123957 (or 1123954 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 27.

The square root of 10115559 is about 3180.4966593285. The cubic root of 10115559 is about 216.2701737558.

The spelling of 10115559 in words is "ten million, one hundred fifteen thousand, five hundred fifty-nine".