15032481428 has 6 divisors (see below), whose sum is σ = 26306842506. Its totient is φ = 7516240712.

The previous prime is 15032481391. The next prime is 15032481433. The reversal of 15032481428 is 82418423051.

It can be written as a sum of positive squares in only one way, i.e., 14491825924 + 540655504 = 120382^2 + 23252^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15032481391 and 15032481400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1879060175 + ... + 1879060182.

It is an arithmetic number, because the mean of its divisors is an integer number (4384473751).

Almost surely, 2^15032481428 is an apocalyptic number.

It is an amenable number.

15032481428 is a deficient number, since it is larger than the sum of its proper divisors (11274361078).

15032481428 is a wasteful number, since it uses less digits than its factorization.

15032481428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758120361 (or 3758120359 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 15032481428 in words is "fifteen billion, thirty-two million, four hundred eighty-one thousand, four hundred twenty-eight".