11634045778 has 32 divisors (see below), whose sum is σ = 18562811904. Its totient is φ = 5449669632.

The previous prime is 11634045763. The next prime is 11634045793. The reversal of 11634045778 is 87754043611.

It is an interprime number because it is at equal distance from previous prime (11634045763) and next prime (11634045793).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10702351 + ... + 10703437.

It is an arithmetic number, because the mean of its divisors is an integer number (580087872).

Almost surely, 2^11634045778 is an apocalyptic number.

11634045778 is a deficient number, since it is larger than the sum of its proper divisors (6928766126).

11634045778 is a wasteful number, since it uses less digits than its factorization.

11634045778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 11634045778 in words is "eleven billion, six hundred thirty-four million, forty-five thousand, seven hundred seventy-eight".