11767660404 has 12 divisors (see below), whose sum is σ = 27457874304. Its totient is φ = 3922553464.

The previous prime is 11767660379. The next prime is 11767660409. The reversal of 11767660404 is 40406676711.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11767660409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490319172 + ... + 490319195.

It is an arithmetic number, because the mean of its divisors is an integer number (2288156192).

Almost surely, 2^11767660404 is an apocalyptic number.

It is an amenable number.

11767660404 is an abundant number, since it is smaller than the sum of its proper divisors (15690213900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11767660404 is a wasteful number, since it uses less digits than its factorization.

11767660404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980638374 (or 980638372 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 11767660404 in words is "eleven billion, seven hundred sixty-seven million, six hundred sixty thousand, four hundred four".