11245641361 has 8 divisors (see below), whose sum is σ = 11551259304. Its totient is φ = 10940112000.

The previous prime is 11245641353. The next prime is 11245641371. The reversal of 11245641361 is 16314654211.

It can be written as a sum of positive squares in 4 ways, for example, as 3773767761 + 7471873600 = 61431^2 + 86440^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11245641361 - 2³ = 11245641353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11245641371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296661 + ... + 332413.

It is an arithmetic number, because the mean of its divisors is an integer number (1443907413).

Almost surely, 2^11245641361 is an apocalyptic number.

It is an amenable number.

11245641361 is a deficient number, since it is larger than the sum of its proper divisors (305617943).

11245641361 is an equidigital number, since it uses as much as digits as its factorization.

11245641361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44291.

The product of its digits is 17280, while the sum is 34.

The spelling of 11245641361 in words is "eleven billion, two hundred forty-five million, six hundred forty-one thousand, three hundred sixty-one".