11177315387 has 16 divisors (see below), whose sum is σ = 13097935872. Its totient is φ = 9339288000.

The previous prime is 11177315377. The next prime is 11177315393. The reversal of 11177315387 is 78351377111.

It is not a de Polignac number, because 11177315387 - 2⁴ = 11177315371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11177315377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14903 + ... + 150255.

It is an arithmetic number, because the mean of its divisors is an integer number (818620992).

Almost surely, 2^11177315387 is an apocalyptic number.

11177315387 is a deficient number, since it is larger than the sum of its proper divisors (1920620485).

11177315387 is a wasteful number, since it uses less digits than its factorization.

11177315387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135658.

The product of its digits is 123480, while the sum is 44.

The spelling of 11177315387 in words is "eleven billion, one hundred seventy-seven million, three hundred fifteen thousand, three hundred eighty-seven".