11772709494 has 64 divisors (see below), whose sum is σ = 29411590656. Its totient is φ = 3058539264.

The previous prime is 11772709447. The next prime is 11772709517. The reversal of 11772709494 is 49490727711.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 124327 + ... + 197490.

It is an arithmetic number, because the mean of its divisors is an integer number (459556104).

Almost surely, 2^11772709494 is an apocalyptic number.

11772709494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11772709494 is an abundant number, since it is smaller than the sum of its proper divisors (17638881162).

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

11772709494 is a wasteful number, since it uses less digits than its factorization.

11772709494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321909.

The product of its (nonzero) digits is 889056, while the sum is 51.

The spelling of 11772709494 in words is "eleven billion, seven hundred seventy-two million, seven hundred nine thousand, four hundred ninety-four".