11642361615 has 12 divisors (see below), whose sum is σ = 20180093544. Its totient is φ = 6209259504.

The previous prime is 11642361571. The next prime is 11642361623. The reversal of 11642361615 is 51616324611.

11642361615 is a `hidden beast` number, since 1 + 1 + 6 + 4 + 2 + 36 + 1 + 615 = 666.

It is not a de Polignac number, because 11642361615 - 2⁶ = 11642361551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11642361615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129359529 + ... + 129359618.

It is an arithmetic number, because the mean of its divisors is an integer number (1681674462).

Almost surely, 2^11642361615 is an apocalyptic number.

11642361615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11642361615 is a deficient number, since it is larger than the sum of its proper divisors (8537731929).

11642361615 is a wasteful number, since it uses less digits than its factorization.

11642361615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258719158 (or 258719155 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The spelling of 11642361615 in words is "eleven billion, six hundred forty-two million, three hundred sixty-one thousand, six hundred fifteen".