15234028281 has 12 divisors (see below), whose sum is σ = 22006181808. Its totient is φ = 10155338424.

The previous prime is 15234028211. The next prime is 15234028307. The reversal of 15234028281 is 18282043251.

It is a happy number.

15234028281 is a `hidden beast` number, since 15 + 2 + 340 + 28 + 281 = 666.

It is not a de Polignac number, because 15234028281 - 2¹⁸ = 15233766137 is a prime.

It is a super-2 number, since 2×15234028281² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15234028211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111286 + ... + 207008.

It is an arithmetic number, because the mean of its divisors is an integer number (1833848484).

Almost surely, 2^15234028281 is an apocalyptic number.

It is an amenable number.

15234028281 is a deficient number, since it is larger than the sum of its proper divisors (6772153527).

15234028281 is a wasteful number, since it uses less digits than its factorization.

15234028281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113412 (or 113409 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 15234028281 in words is "fifteen billion, two hundred thirty-four million, twenty-eight thousand, two hundred eighty-one".