11552000621 has 16 divisors (see below), whose sum is σ = 14026669440. Its totient is φ = 9301884480.

The previous prime is 11552000617. The next prime is 11552000623. The reversal of 11552000621 is 12600025511.

It is a happy number.

It is not a de Polignac number, because 11552000621 - 2² = 11552000617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552000623) 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, 761495 + ... + 776516.

It is an arithmetic number, because the mean of its divisors is an integer number (876666840).

Almost surely, 2^11552000621 is an apocalyptic number.

It is an amenable number.

11552000621 is a deficient number, since it is larger than the sum of its proper divisors (2474668819).

11552000621 is a wasteful number, since it uses less digits than its factorization.

11552000621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538084.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 11552000621 in words is "eleven billion, five hundred fifty-two million, six hundred twenty-one", and thus it is an aban number.