15200553085 has 4 divisors (see below), whose sum is σ = 18240663708. Its totient is φ = 12160442464.

The previous prime is 15200553079. The next prime is 15200553107. The reversal of 15200553085 is 58035500251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58035500251 = 379 ⋅153127969.

It can be written as a sum of positive squares in 2 ways, for example, as 8679344569 + 6521208516 = 93163^2 + 80754^2 .

It is a cyclic number.

It is not a de Polignac number, because 15200553085 - 2³³ = 6610618493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15200553085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520055304 + ... + 1520055313.

It is an arithmetic number, because the mean of its divisors is an integer number (4560165927).

Almost surely, 2^15200553085 is an apocalyptic number.

It is an amenable number.

15200553085 is a deficient number, since it is larger than the sum of its proper divisors (3040110623).

15200553085 is an equidigital number, since it uses as much as digits as its factorization.

15200553085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040110622.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 15200553085 in words is "fifteen billion, two hundred million, five hundred fifty-three thousand, eighty-five".