11953724267215 has 16 divisors (see below), whose sum is σ = 15107687953920. Its totient is φ = 9054716643360.

The previous prime is 11953724267213. The next prime is 11953724267249. The reversal of 11953724267215 is 51276242735911.

It is not a de Polignac number, because 11953724267215 - 2¹ = 11953724267213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11953724267213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34186699 + ... + 34534588.

It is an arithmetic number, because the mean of its divisors is an integer number (944230497120).

Almost surely, 2^{11953724267215} is an apocalyptic number.

11953724267215 is a deficient number, since it is larger than the sum of its proper divisors (3153963686705).

11953724267215 is a wasteful number, since it uses less digits than its factorization.

11953724267215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68723142.

The product of its digits is 6350400, while the sum is 55.

The spelling of 11953724267215 in words is "eleven trillion, nine hundred fifty-three billion, seven hundred twenty-four million, two hundred sixty-seven thousand, two hundred fifteen".