11768777454 has 16 divisors (see below), whose sum is σ = 26900062848. Its totient is φ = 3362507832.

The previous prime is 11768777443. The next prime is 11768777483. The reversal of 11768777454 is 45477786711.

It is a junction number, because it is equal to n+sod(n) for n = 11768777394 and 11768777403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140104452 + ... + 140104535.

It is an arithmetic number, because the mean of its divisors is an integer number (1681253928).

Almost surely, 2^11768777454 is an apocalyptic number.

11768777454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11768777454 is an abundant number, since it is smaller than the sum of its proper divisors (15131285394).

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

11768777454 is a wasteful number, since it uses less digits than its factorization.

11768777454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280208999.

The product of its digits is 9219840, while the sum is 57.

The spelling of 11768777454 in words is "eleven billion, seven hundred sixty-eight million, seven hundred seventy-seven thousand, four hundred fifty-four".