11969902477 has 8 divisors (see below), whose sum is σ = 13109150880. Its totient is φ = 10861866480.

The previous prime is 11969902459. The next prime is 11969902499. The reversal of 11969902477 is 77420996911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11969902477 - 2⁷ = 11969902349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11969902457) by changing a digit.

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, 7802299 + ... + 7803832.

It is an arithmetic number, because the mean of its divisors is an integer number (1638643860).

Almost surely, 2^11969902477 is an apocalyptic number.

It is an amenable number.

11969902477 is a deficient number, since it is larger than the sum of its proper divisors (1139248403).

11969902477 is a wasteful number, since it uses less digits than its factorization.

11969902477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15606203.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The spelling of 11969902477 in words is "eleven billion, nine hundred sixty-nine million, nine hundred two thousand, four hundred seventy-seven".