11777387089 has 12 divisors (see below), whose sum is σ = 13049618736. Its totient is φ = 10618603632.

The previous prime is 11777387081. The next prime is 11777387117. The reversal of 11777387089 is 98078377711.

It is not a de Polignac number, because 11777387089 - 2³ = 11777387081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11777387081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803067 + ... + 817600.

It is an arithmetic number, because the mean of its divisors is an integer number (1087468228).

Almost surely, 2^11777387089 is an apocalyptic number.

It is an amenable number.

11777387089 is a deficient number, since it is larger than the sum of its proper divisors (1272231647).

11777387089 is a wasteful number, since it uses less digits than its factorization.

11777387089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620736 (or 1620723 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 58.

The spelling of 11777387089 in words is "eleven billion, seven hundred seventy-seven million, three hundred eighty-seven thousand, eighty-nine".