11962251615 has 32 divisors (see below), whose sum is σ = 19840596480. Its totient is φ = 6147114624.

The previous prime is 11962251611. The next prime is 11962251617. The reversal of 11962251615 is 51615226911.

11962251615 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 11962251615 - 2² = 11962251611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11962251611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183612 + ... + 240078.

It is an arithmetic number, because the mean of its divisors is an integer number (620018640).

Almost surely, 2^11962251615 is an apocalyptic number.

11962251615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11962251615 is a deficient number, since it is larger than the sum of its proper divisors (7878344865).

11962251615 is a wasteful number, since it uses less digits than its factorization.

11962251615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56991.

The product of its digits is 32400, while the sum is 39.

The spelling of 11962251615 in words is "eleven billion, nine hundred sixty-two million, two hundred fifty-one thousand, six hundred fifteen".