12553204401 has 12 divisors (see below), whose sum is σ = 18141222528. Its totient is φ = 8364733944.

The previous prime is 12553204399. The next prime is 12553204409. The reversal of 12553204401 is 10440235521.

12553204401 is a `hidden beast` number, since 1 + 2 + 5 + 53 + 204 + 401 = 666.

It is not a de Polignac number, because 12553204401 - 2¹ = 12553204399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12553204409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319485 + ... + 356618.

It is an arithmetic number, because the mean of its divisors is an integer number (1511768544).

Almost surely, 2^12553204401 is an apocalyptic number.

It is an amenable number.

12553204401 is a deficient number, since it is larger than the sum of its proper divisors (5588018127).

12553204401 is a wasteful number, since it uses less digits than its factorization.

12553204401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678172 (or 678169 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 12553204401 its reverse (10440235521), we get a palindrome (22993439922).

The spelling of 12553204401 in words is "twelve billion, five hundred fifty-three million, two hundred four thousand, four hundred one".