15238040553 has 12 divisors (see below), whose sum is σ = 22011740608. Its totient is φ = 10158122520.

The previous prime is 15238040551. The next prime is 15238040561. The reversal of 15238040553 is 35504083251.

15238040553 is a `hidden beast` number, since 1 + 5 + 23 + 80 + 4 + 0 + 553 = 666.

It is not a de Polignac number, because 15238040553 - 2¹ = 15238040551 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (15238040551) 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, 177276 + ... + 248802.

Almost surely, 2^15238040553 is an apocalyptic number.

It is an amenable number.

15238040553 is a deficient number, since it is larger than the sum of its proper divisors (6773700055).

15238040553 is a wasteful number, since it uses less digits than its factorization.

15238040553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95204 (or 95201 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 15238040553 in words is "fifteen billion, two hundred thirty-eight million, forty thousand, five hundred fifty-three".