11161146415 has 4 divisors (see below), whose sum is σ = 13393375704. Its totient is φ = 8928917128.

The previous prime is 11161146413. The next prime is 11161146449. The reversal of 11161146415 is 51464116111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11161146415 - 2¹ = 11161146413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161146413) 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, 1116114637 + ... + 1116114646.

It is an arithmetic number, because the mean of its divisors is an integer number (3348343926).

Almost surely, 2^11161146415 is an apocalyptic number.

11161146415 is a deficient number, since it is larger than the sum of its proper divisors (2232229289).

11161146415 is an equidigital number, since it uses as much as digits as its factorization.

11161146415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232229288.

The product of its digits is 2880, while the sum is 31.

The spelling of 11161146415 in words is "eleven billion, one hundred sixty-one million, one hundred forty-six thousand, four hundred fifteen".