11941917790 has 16 divisors (see below), whose sum is σ = 23449584240. Its totient is φ = 4342515520.

The previous prime is 11941917781. The next prime is 11941917803. The reversal of 11941917790 is 9771914911.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54281335 + ... + 54281554.

It is an arithmetic number, because the mean of its divisors is an integer number (1465599015).

Almost surely, 2^11941917790 is an apocalyptic number.

11941917790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11941917790 is a deficient number, since it is larger than the sum of its proper divisors (11507666450).

11941917790 is a wasteful number, since it uses less digits than its factorization.

11941917790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108562907.

The product of its (nonzero) digits is 142884, while the sum is 49.

The spelling of 11941917790 in words is "eleven billion, nine hundred forty-one million, nine hundred seventeen thousand, seven hundred ninety".