11778435802 has 64 divisors (see below), whose sum is σ = 21654355968. Its totient is φ = 4698288000.

The previous prime is 11778435797. The next prime is 11778435827. The reversal of 11778435802 is 20853487711.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1258713 + ... + 1268035.

It is an arithmetic number, because the mean of its divisors is an integer number (338349312).

Almost surely, 2^11778435802 is an apocalyptic number.

11778435802 is a deficient number, since it is larger than the sum of its proper divisors (9875920166).

11778435802 is a wasteful number, since it uses less digits than its factorization.

11778435802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 11778435802 in words is "eleven billion, seven hundred seventy-eight million, four hundred thirty-five thousand, eight hundred two".