15040314321 has 32 divisors (see below), whose sum is σ = 20375695872. Its totient is φ = 9867744000.

The previous prime is 15040314313. The next prime is 15040314407. The reversal of 15040314321 is 12341304051.

It is a happy number.

It is not a de Polignac number, because 15040314321 - 2³ = 15040314313 is a prime.

It is a super-2 number, since 2×15040314321² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15040314291 and 15040314300.

It is not an unprimeable number, because it can be changed into a prime (15040314221) 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, 34734921 + ... + 34735353.

It is an arithmetic number, because the mean of its divisors is an integer number (636740496).

Almost surely, 2^15040314321 is an apocalyptic number.

It is an amenable number.

15040314321 is a deficient number, since it is larger than the sum of its proper divisors (5335381551).

15040314321 is a wasteful number, since it uses less digits than its factorization.

15040314321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 15040314321 its reverse (12341304051), we get a palindrome (27381618372).

The spelling of 15040314321 in words is "fifteen billion, forty million, three hundred fourteen thousand, three hundred twenty-one".