11915022274 has 8 divisors (see below), whose sum is σ = 18165525948. Its totient is φ = 5859846960.

The previous prime is 11915022269. The next prime is 11915022289. The reversal of 11915022274 is 47222051911.

It can be written as a sum of positive squares in 2 ways, for example, as 11773769049 + 141253225 = 108507^2 + 11885^2 .

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

It is a super-2 number, since 2×11915022274² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48831937 + ... + 48832180.

Almost surely, 2^11915022274 is an apocalyptic number.

11915022274 is a deficient number, since it is larger than the sum of its proper divisors (6250503674).

11915022274 is an equidigital number, since it uses as much as digits as its factorization.

11915022274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97664180.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 11915022274 in words is "eleven billion, nine hundred fifteen million, twenty-two thousand, two hundred seventy-four".