11777661426 has 16 divisors (see below), whose sum is σ = 23632053984. Its totient is φ = 3913098624.

The previous prime is 11777661407. The next prime is 11777661439. The reversal of 11777661426 is 62416677711.

11777661426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3195135 + ... + 3198818.

It is an arithmetic number, because the mean of its divisors is an integer number (1477003374).

Almost surely, 2^11777661426 is an apocalyptic number.

11777661426 is an abundant number, since it is smaller than the sum of its proper divisors (11854392558).

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

11777661426 is a wasteful number, since it uses less digits than its factorization.

11777661426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394265.

The product of its digits is 592704, while the sum is 48.

The spelling of 11777661426 in words is "eleven billion, seven hundred seventy-seven million, six hundred sixty-one thousand, four hundred twenty-six".