11534455401 has 12 divisors (see below), whose sum is σ = 17890175952. Its totient is φ = 6591117288.

The previous prime is 11534455399. The next prime is 11534455423. The reversal of 11534455401 is 10455443511.

11534455401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11534455401 - 2¹ = 11534455399 is a prime.

It is a super-2 number, since 2×11534455401² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11534455501) 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 11 ways as a sum of consecutive naturals, for example, 39232695 + ... + 39232988.

It is an arithmetic number, because the mean of its divisors is an integer number (1490847996).

Almost surely, 2^11534455401 is an apocalyptic number.

It is an amenable number.

11534455401 is a deficient number, since it is larger than the sum of its proper divisors (6355720551).

11534455401 is an equidigital number, since it uses as much as digits as its factorization.

11534455401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78465700 (or 78465693 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 11534455401 its reverse (10455443511), we get a palindrome (21989898912).

The spelling of 11534455401 in words is "eleven billion, five hundred thirty-four million, four hundred fifty-five thousand, four hundred one".