911139795 has 24 divisors (see below), whose sum is σ = 1580288112. Its totient is φ = 485640000.

The previous prime is 911139781. The next prime is 911139797. The reversal of 911139795 is 597931119.

It is a happy number.

It is not a de Polignac number, because 911139795 - 2⁶ = 911139731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 911139795.

It is not an unprimeable number, because it can be changed into a prime (911139797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80220 + ... + 90870.

It is an arithmetic number, because the mean of its divisors is an integer number (65845338).

Almost surely, 2^911139795 is an apocalyptic number.

911139795 is a deficient number, since it is larger than the sum of its proper divisors (669148317).

911139795 is a wasteful number, since it uses less digits than its factorization.

911139795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563 (or 12560 counting only the distinct ones).

The product of its digits is 76545, while the sum is 45.

The square root of 911139795 is about 30185.0922642287. The cubic root of 911139795 is about 969.4565258975.

The spelling of 911139795 in words is "nine hundred eleven million, one hundred thirty-nine thousand, seven hundred ninety-five".