11777428146508 has 24 divisors (see below), whose sum is σ = 20969961037200. Its totient is φ = 5786107195968.

The previous prime is 11777428146503. The next prime is 11777428146511. The reversal of 11777428146508 is 80564182477711.

11777428146508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11777428146503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11571735 + ... + 12548302.

It is an arithmetic number, because the mean of its divisors is an integer number (873748376550).

Almost surely, 2^{11777428146508} is an apocalyptic number.

It is an amenable number.

11777428146508 is a deficient number, since it is larger than the sum of its proper divisors (9192532890692).

11777428146508 is a wasteful number, since it uses less digits than its factorization.

11777428146508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24122169 (or 24122167 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 61.

The spelling of 11777428146508 in words is "eleven trillion, seven hundred seventy-seven billion, four hundred twenty-eight million, one hundred forty-six thousand, five hundred eight".