11452521401 has 16 divisors (see below), whose sum is σ = 11880095040. Its totient is φ = 11033131200.

The previous prime is 11452521397. The next prime is 11452521403. The reversal of 11452521401 is 10412525411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11452521401 - 2² = 11452521397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11452521403) 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, 1163366 + ... + 1173168.

It is an arithmetic number, because the mean of its divisors is an integer number (742505940).

Almost surely, 2^11452521401 is an apocalyptic number.

It is an amenable number.

11452521401 is a deficient number, since it is larger than the sum of its proper divisors (427573639).

11452521401 is a wasteful number, since it uses less digits than its factorization.

11452521401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216.

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 11452521401 in words is "eleven billion, four hundred fifty-two million, five hundred twenty-one thousand, four hundred one".