15401313545242 has 64 divisors (see below), whose sum is σ = 24724433963520. Its totient is φ = 7179435648000.

The previous prime is 15401313545227. The next prime is 15401313545249. The reversal of 15401313545242 is 24254531310451.

It is a junction number, because it is equal to n+sod(n) for n = 15401313545195 and 15401313545204.

It is not an unprimeable number, because it can be changed into a prime (15401313545249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173251318 + ... + 173340190.

It is an arithmetic number, because the mean of its divisors is an integer number (386319280680).

Almost surely, 2^{15401313545242} is an apocalyptic number.

15401313545242 is a deficient number, since it is larger than the sum of its proper divisors (9323120418278).

15401313545242 is a wasteful number, since it uses less digits than its factorization.

15401313545242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89519.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 15401313545242 its reverse (24254531310451), we get a palindrome (39655844855693).

The spelling of 15401313545242 in words is "fifteen trillion, four hundred one billion, three hundred thirteen million, five hundred forty-five thousand, two hundred forty-two".