13115051 has 4 divisors (see below), whose sum is σ = 13337400. Its totient is φ = 12892704.

The previous prime is 13115023. The next prime is 13115087. The reversal of 13115051 is 15051131.

13115051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15051131 = 23 ⋅654397.

It is a cyclic number.

It is not a de Polignac number, because 13115051 - 2⁶ = 13114987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13115251) 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, 111086 + ... + 111203.

It is an arithmetic number, because the mean of its divisors is an integer number (3334350).

Almost surely, 2^13115051 is an apocalyptic number.

13115051 is a deficient number, since it is larger than the sum of its proper divisors (222349).

13115051 is an equidigital number, since it uses as much as digits as its factorization.

13115051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222348.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 13115051 is about 3621.4708337912. The cubic root of 13115051 is about 235.8250822514.

Adding to 13115051 its reverse (15051131), we get a palindrome (28166182).

The spelling of 13115051 in words is "thirteen million, one hundred fifteen thousand, fifty-one".