11939280816694 has 16 divisors (see below), whose sum is σ = 22328005683456. Its totient is φ = 4651667850600.

The previous prime is 11939280816677. The next prime is 11939280816713. The reversal of 11939280816694 is 49661808293911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38763898602 + ... + 38763898909.

It is an arithmetic number, because the mean of its divisors is an integer number (1395500355216).

Almost surely, 2^{11939280816694} is an apocalyptic number.

11939280816694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11939280816694 is a deficient number, since it is larger than the sum of its proper divisors (10388724866762).

11939280816694 is a wasteful number, since it uses less digits than its factorization.

11939280816694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77527797531.

The product of its (nonzero) digits is 40310784, while the sum is 67.

The spelling of 11939280816694 in words is "eleven trillion, nine hundred thirty-nine billion, two hundred eighty million, eight hundred sixteen thousand, six hundred ninety-four".