11701977089 has 12 divisors (see below), whose sum is σ = 13473043920. Its totient is φ = 10078254360.

The previous prime is 11701977071. The next prime is 11701977097. The reversal of 11701977089 is 98077910711.

It is a happy number.

It is not a de Polignac number, because 11701977089 - 2²⁴ = 11685199873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11701977019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1469459 + ... + 1477400.

It is an arithmetic number, because the mean of its divisors is an integer number (1122753660).

It is a Proth number, since it is equal to 89279 ⋅ 2¹⁷ + 1 and 89279 < 2¹⁷.

Almost surely, 2^11701977089 is an apocalyptic number.

11701977089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11701977089 is a deficient number, since it is larger than the sum of its proper divisors (1771066831).

11701977089 is a wasteful number, since it uses less digits than its factorization.

11701977089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946908 (or 2946889 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 50.

The spelling of 11701977089 in words is "eleven billion, seven hundred one million, nine hundred seventy-seven thousand, eighty-nine".