11773403245 has 8 divisors (see below), whose sum is σ = 14128797816. Its totient is φ = 9418246656.

The previous prime is 11773403237. The next prime is 11773403273. The reversal of 11773403245 is 54230437711.

It can be written as a sum of positive squares in 4 ways, for example, as 1421968681 + 10351434564 = 37709^2 + 101742^2 .

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 11773403245 - 2³ = 11773403237 is a prime.

It is a super-2 number, since 2×11773403245² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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, 78409 + ... + 172321.

It is an arithmetic number, because the mean of its divisors is an integer number (1766099727).

Almost surely, 2^11773403245 is an apocalyptic number.

It is an amenable number.

11773403245 is a deficient number, since it is larger than the sum of its proper divisors (2355394571).

11773403245 is an equidigital number, since it uses as much as digits as its factorization.

11773403245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118991.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 11773403245 in words is "eleven billion, seven hundred seventy-three million, four hundred three thousand, two hundred forty-five".