15135800755 has 4 divisors (see below), whose sum is σ = 18162960912. Its totient is φ = 12108640600.

The previous prime is 15135800737. The next prime is 15135800777. The reversal of 15135800755 is 55700853151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55700853151 = 4201 ⋅13258951.

It is a de Polignac number, because none of the positive numbers 2^k-15135800755 is a prime.

It is a Duffinian 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, 1513580071 + ... + 1513580080.

It is an arithmetic number, because the mean of its divisors is an integer number (4540740228).

Almost surely, 2^15135800755 is an apocalyptic number.

15135800755 is a deficient number, since it is larger than the sum of its proper divisors (3027160157).

15135800755 is an equidigital number, since it uses as much as digits as its factorization.

15135800755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027160156.

The product of its (nonzero) digits is 105000, while the sum is 40.

The spelling of 15135800755 in words is "fifteen billion, one hundred thirty-five million, eight hundred thousand, seven hundred fifty-five".