15264400543 has 16 divisors (see below), whose sum is σ = 17617616640. Its totient is φ = 12954465216.

The previous prime is 15264400493. The next prime is 15264400553. The reversal of 15264400543 is 34500446251.

It is a de Polignac number, because none of the positive numbers 2^k-15264400543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15264400499 and 15264400508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15264400553) 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, 1747555 + ... + 1756267.

It is an arithmetic number, because the mean of its divisors is an integer number (1101101040).

Almost surely, 2^15264400543 is an apocalyptic number.

15264400543 is a deficient number, since it is larger than the sum of its proper divisors (2353216097).

15264400543 is a wasteful number, since it uses less digits than its factorization.

15264400543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11166.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 15264400543 its reverse (34500446251), we get a palindrome (49764846794).

The spelling of 15264400543 in words is "fifteen billion, two hundred sixty-four million, four hundred thousand, five hundred forty-three".