11310401534 has 24 divisors (see below), whose sum is σ = 17765251560. Its totient is φ = 5394217808.

The previous prime is 11310401513. The next prime is 11310401549. The reversal of 11310401534 is 43510401311.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385409 + ... + 413715.

It is an arithmetic number, because the mean of its divisors is an integer number (740218815).

Almost surely, 2^11310401534 is an apocalyptic number.

11310401534 is a deficient number, since it is larger than the sum of its proper divisors (6454850026).

11310401534 is an equidigital number, since it uses as much as digits as its factorization.

11310401534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28504 (or 28421 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 11310401534 its reverse (43510401311), we get a palindrome (54820802845).

The spelling of 11310401534 in words is "eleven billion, three hundred ten million, four hundred one thousand, five hundred thirty-four".