11512514150551 has 4 divisors (see below), whose sum is σ = 11550014196952. Its totient is φ = 11475014104152.

The previous prime is 11512514150483. The next prime is 11512514150561. The reversal of 11512514150551 is 15505141521511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11512514150551 - 2²³ = 11512505761943 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 11512514150551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512514150561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18750022740 + ... + 18750023353.

It is an arithmetic number, because the mean of its divisors is an integer number (2887503549238).

Almost surely, 2^{11512514150551} is an apocalyptic number.

11512514150551 is a deficient number, since it is larger than the sum of its proper divisors (37500046401).

11512514150551 is an equidigital number, since it uses as much as digits as its factorization.

11512514150551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37500046400.

The product of its (nonzero) digits is 25000, while the sum is 37.

The spelling of 11512514150551 in words is "eleven trillion, five hundred twelve billion, five hundred fourteen million, one hundred fifty thousand, five hundred fifty-one".