11161610245 has 8 divisors (see below), whose sum is σ = 13394597400. Its totient is φ = 8928844800.

The previous prime is 11161610231. The next prime is 11161610281. The reversal of 11161610245 is 54201616111.

It can be written as a sum of positive squares in 4 ways, for example, as 471497796 + 10690112449 = 21714^2 + 103393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11161610245 - 2²¹ = 11159513093 is a prime.

It is a super-2 number, since 2×11161610245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90045 + ... + 174445.

It is an arithmetic number, because the mean of its divisors is an integer number (1674324675).

Almost surely, 2^11161610245 is an apocalyptic number.

It is an amenable number.

11161610245 is a deficient number, since it is larger than the sum of its proper divisors (2232987155).

11161610245 is an equidigital number, since it uses as much as digits as its factorization.

11161610245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110855.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 11161610245 in words is "eleven billion, one hundred sixty-one million, six hundred ten thousand, two hundred forty-five".