15102200993 has 4 divisors (see below), whose sum is σ = 16475128368. Its totient is φ = 13729273620.

The previous prime is 15102200989. The next prime is 15102200999. The reversal of 15102200993 is 39900220151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39900220151 = 11 ⋅3627292741.

It is a cyclic number.

It is not a de Polignac number, because 15102200993 - 2² = 15102200989 is a prime.

It is a super-3 number, since 3×15102200993³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15102200999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686463671 + ... + 686463692.

It is an arithmetic number, because the mean of its divisors is an integer number (4118782092).

Almost surely, 2^15102200993 is an apocalyptic number.

It is an amenable number.

15102200993 is a deficient number, since it is larger than the sum of its proper divisors (1372927375).

15102200993 is a wasteful number, since it uses less digits than its factorization.

15102200993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372927374.

The product of its (nonzero) digits is 4860, while the sum is 32.

The spelling of 15102200993 in words is "fifteen billion, one hundred two million, two hundred thousand, nine hundred ninety-three".