11778610810 has 16 divisors (see below), whose sum is σ = 21222324000. Its totient is φ = 4706816656.

The previous prime is 11778610793. The next prime is 11778610813. The reversal of 11778610810 is 1801687711.

It is a super-2 number, since 2×11778610810² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11778610813) 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, 567760 + ... + 588139.

It is an arithmetic number, because the mean of its divisors is an integer number (1326395250).

Almost surely, 2^11778610810 is an apocalyptic number.

11778610810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11778610810 is a deficient number, since it is larger than the sum of its proper divisors (9443713190).

11778610810 is a wasteful number, since it uses less digits than its factorization.

11778610810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156925.

The product of its (nonzero) digits is 18816, while the sum is 40.

The spelling of 11778610810 in words is "eleven billion, seven hundred seventy-eight million, six hundred ten thousand, eight hundred ten".