15252204440663 has 4 divisors (see below), whose sum is σ = 15392132921880. Its totient is φ = 15112275959448.

The previous prime is 15252204440659. The next prime is 15252204440729. The reversal of 15252204440663 is 36604440225251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15252204440663 - 2² = 15252204440659 is a prime.

It is a super-3 number, since 3×15252204440663³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15252204440633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69964240445 + ... + 69964240662.

It is an arithmetic number, because the mean of its divisors is an integer number (3848033230470).

Almost surely, 2^{15252204440663} is an apocalyptic number.

15252204440663 is a deficient number, since it is larger than the sum of its proper divisors (139928481217).

15252204440663 is a wasteful number, since it uses less digits than its factorization.

15252204440663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139928481216.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 15252204440663 in words is "fifteen trillion, two hundred fifty-two billion, two hundred four million, four hundred forty thousand, six hundred sixty-three".