15113115221403 has 16 divisors (see below), whose sum is σ = 20186746992000. Its totient is φ = 10057447700160.

The previous prime is 15113115221401. The next prime is 15113115221419. The reversal of 15113115221403 is 30412251131151.

It is not a de Polignac number, because 15113115221403 - 2¹ = 15113115221401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15113115221401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86920648 + ... + 87094346.

It is an arithmetic number, because the mean of its divisors is an integer number (1261671687000).

Almost surely, 2^{15113115221403} is an apocalyptic number.

15113115221403 is a deficient number, since it is larger than the sum of its proper divisors (5073631770597).

15113115221403 is a wasteful number, since it uses less digits than its factorization.

15113115221403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225242.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 15113115221403 its reverse (30412251131151), we get a palindrome (45525366352554).

The spelling of 15113115221403 in words is "fifteen trillion, one hundred thirteen billion, one hundred fifteen million, two hundred twenty-one thousand, four hundred three".