11378326915 has 8 divisors (see below), whose sum is σ = 13654593360. Its totient is φ = 9102260832.

The previous prime is 11378326903. The next prime is 11378326943. The reversal of 11378326915 is 51962387311.

It is a happy number.

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 11378326915 - 2²¹ = 11376229763 is a prime.

It is a super-2 number, since 2×11378326915² (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 7 ways as a sum of consecutive naturals, for example, 141417 + ... + 206773.

It is an arithmetic number, because the mean of its divisors is an integer number (1706824170).

Almost surely, 2^11378326915 is an apocalyptic number.

11378326915 is a deficient number, since it is larger than the sum of its proper divisors (2276266445).

11378326915 is an equidigital number, since it uses as much as digits as its factorization.

11378326915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100181.

The product of its digits is 272160, while the sum is 46.

The spelling of 11378326915 in words is "eleven billion, three hundred seventy-eight million, three hundred twenty-six thousand, nine hundred fifteen".