11738331265 has 8 divisors (see below), whose sum is σ = 14107572648. Its totient is φ = 9376281600.

The previous prime is 11738331259. The next prime is 11738331277. The reversal of 11738331265 is 56213383711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1380791281 + 10357539984 = 37159^2 + 101772^2 .

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

It is not a de Polignac number, because 11738331265 - 2¹⁵ = 11738298497 is a prime.

It is a Duffinian 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, 1794336 + ... + 1800865.

It is an arithmetic number, because the mean of its divisors is an integer number (1763446581).

Almost surely, 2^11738331265 is an apocalyptic number.

It is an amenable number.

11738331265 is a deficient number, since it is larger than the sum of its proper divisors (2369241383).

11738331265 is an equidigital number, since it uses as much as digits as its factorization.

11738331265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595859.

The product of its digits is 90720, while the sum is 40.

The spelling of 11738331265 in words is "eleven billion, seven hundred thirty-eight million, three hundred thirty-one thousand, two hundred sixty-five".