11649776862 has 16 divisors (see below), whose sum is σ = 23303709072. Its totient is φ = 3882566400.

The previous prime is 11649776857. The next prime is 11649776867. The reversal of 11649776862 is 26867794611.

It is an interprime number because it is at equal distance from previous prime (11649776857) and next prime (11649776867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11649776867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136083 + ... + 204494.

It is an arithmetic number, because the mean of its divisors is an integer number (1456481817).

Almost surely, 2^11649776862 is an apocalyptic number.

11649776862 is an abundant number, since it is smaller than the sum of its proper divisors (11653932210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11649776862 is a wasteful number, since it uses less digits than its factorization.

11649776862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346283.

The product of its digits is 6096384, while the sum is 57.

The spelling of 11649776862 in words is "eleven billion, six hundred forty-nine million, seven hundred seventy-six thousand, eight hundred sixty-two".