15252050155 has 4 divisors (see below), whose sum is σ = 18302460192. Its totient is φ = 12201640120.

The previous prime is 15252050153. The next prime is 15252050161. The reversal of 15252050155 is 55105025251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55105025251 = 523 ⋅105363337.

It is not a de Polignac number, because 15252050155 - 2¹ = 15252050153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15252050153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525205011 + ... + 1525205020.

It is an arithmetic number, because the mean of its divisors is an integer number (4575615048).

Almost surely, 2^15252050155 is an apocalyptic number.

15252050155 is a deficient number, since it is larger than the sum of its proper divisors (3050410037).

15252050155 is an equidigital number, since it uses as much as digits as its factorization.

15252050155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050410036.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 15252050155 in words is "fifteen billion, two hundred fifty-two million, fifty thousand, one hundred fifty-five".