15242433553 has 8 divisors (see below), whose sum is σ = 15769653480. Its totient is φ = 14715321600.

The previous prime is 15242433551. The next prime is 15242433589. The reversal of 15242433553 is 35533424251.

It can be written as a sum of positive squares in 4 ways, for example, as 5426974224 + 9815459329 = 73668^2 + 99073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15242433553 - 2¹ = 15242433551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15242433551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349353 + ... + 390553.

It is an arithmetic number, because the mean of its divisors is an integer number (1971206685).

Almost surely, 2^15242433553 is an apocalyptic number.

It is an amenable number.

15242433553 is a deficient number, since it is larger than the sum of its proper divisors (527219927).

15242433553 is a wasteful number, since it uses less digits than its factorization.

15242433553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53987.

The product of its digits is 216000, while the sum is 37.

The spelling of 15242433553 in words is "fifteen billion, two hundred forty-two million, four hundred thirty-three thousand, five hundred fifty-three".