11642515 has 12 divisors (see below), whose sum is σ = 14442192. Its totient is φ = 9009840.

The previous prime is 11642513. The next prime is 11642537. The reversal of 11642515 is 51524611.

It is a happy number.

11642515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11642515 - 2¹ = 11642513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11642515.

It is not an unprimeable number, because it can be changed into a prime (11642513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3594 + ... + 6016.

It is an arithmetic number, because the mean of its divisors is an integer number (1203516).

Almost surely, 2^11642515 is an apocalyptic number.

11642515 is a deficient number, since it is larger than the sum of its proper divisors (2799677).

11642515 is an equidigital number, since it uses as much as digits as its factorization.

11642515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2459 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 11642515 is about 3412.1129817168. The cubic root of 11642515 is about 226.6464574927.

The spelling of 11642515 in words is "eleven million, six hundred forty-two thousand, five hundred fifteen".