11787761458 has 32 divisors (see below), whose sum is σ = 19677490560. Its totient is φ = 5251253760.

The previous prime is 11787761417. The next prime is 11787761459. The reversal of 11787761458 is 85416778711.

It is a junction number, because it is equal to n+sod(n) for n = 11787761399 and 11787761408.

It is not an unprimeable number, because it can be changed into a prime (11787761459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192988 + ... + 246616.

It is an arithmetic number, because the mean of its divisors is an integer number (614921580).

Almost surely, 2^11787761458 is an apocalyptic number.

11787761458 is a deficient number, since it is larger than the sum of its proper divisors (7889729102).

11787761458 is a wasteful number, since it uses less digits than its factorization.

11787761458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53842.

The product of its digits is 2634240, while the sum is 55.

The spelling of 11787761458 in words is "eleven billion, seven hundred eighty-seven million, seven hundred sixty-one thousand, four hundred fifty-eight".