11662552401 has 8 divisors (see below), whose sum is σ = 15573041664. Its totient is φ = 7763549040.

The previous prime is 11662552397. The next prime is 11662552453. The reversal of 11662552401 is 10425526611.

11662552401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11662552401 - 2² = 11662552397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11662552481) 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 7 ways as a sum of consecutive naturals, for example, 2869105 + ... + 2873166.

It is an arithmetic number, because the mean of its divisors is an integer number (1946630208).

Almost surely, 2^11662552401 is an apocalyptic number.

It is an amenable number.

11662552401 is a deficient number, since it is larger than the sum of its proper divisors (3910489263).

11662552401 is an equidigital number, since it uses as much as digits as its factorization.

11662552401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742951.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 11662552401 in words is "eleven billion, six hundred sixty-two million, five hundred fifty-two thousand, four hundred one".