15240231043 has 32 divisors (see below), whose sum is σ = 17102223360. Its totient is φ = 13506155520.

The previous prime is 15240231031. The next prime is 15240231091. The reversal of 15240231043 is 34013204251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15240231043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15240230999 and 15240231017.

It is not an unprimeable number, because it can be changed into a prime (15240231343) 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, 16092696 + ... + 16093642.

It is an arithmetic number, because the mean of its divisors is an integer number (534444480).

Almost surely, 2^15240231043 is an apocalyptic number.

15240231043 is a deficient number, since it is larger than the sum of its proper divisors (1861992317).

15240231043 is a wasteful number, since it uses less digits than its factorization.

15240231043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 15240231043 its reverse (34013204251), we get a palindrome (49253435294).

The spelling of 15240231043 in words is "fifteen billion, two hundred forty million, two hundred thirty-one thousand, forty-three".