11942515 has 16 divisors (see below), whose sum is σ = 15509088. Its totient is φ = 8775936.

The previous prime is 11942503. The next prime is 11942531. The reversal of 11942515 is 51524911.

It is not a de Polignac number, because 11942515 - 2¹⁵ = 11909747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20052 + ... + 20638.

It is an arithmetic number, because the mean of its divisors is an integer number (969318).

Almost surely, 2^11942515 is an apocalyptic number.

11942515 is a deficient number, since it is larger than the sum of its proper divisors (3566573).

11942515 is a wasteful number, since it uses less digits than its factorization.

11942515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918.

The product of its digits is 1800, while the sum is 28.

The square root of 11942515 is about 3455.7944093942. The cubic root of 11942515 is about 228.5766859840.

The spelling of 11942515 in words is "eleven million, nine hundred forty-two thousand, five hundred fifteen".