11452405401 has 40 divisors (see below), whose sum is σ = 18447660000. Its totient is φ = 7056642240.

The previous prime is 11452405381. The next prime is 11452405421. The reversal of 11452405401 is 10450425411.

11452405401 is a `hidden beast` number, since 1 + 14 + 5 + 240 + 5 + 401 = 666.

It is an interprime number because it is at equal distance from previous prime (11452405381) and next prime (11452405421).

It is not a de Polignac number, because 11452405401 - 2⁶ = 11452405337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11452405421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27651 + ... + 153848.

It is an arithmetic number, because the mean of its divisors is an integer number (461191500).

Almost surely, 2^11452405401 is an apocalyptic number.

It is an amenable number.

11452405401 is a deficient number, since it is larger than the sum of its proper divisors (6995254599).

11452405401 is a wasteful number, since it uses less digits than its factorization.

11452405401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181571 (or 181562 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 11452405401 in words is "eleven billion, four hundred fifty-two million, four hundred five thousand, four hundred one".