10781777554 has 8 divisors (see below), whose sum is σ = 16211265840. Its totient is φ = 5378022276.

The previous prime is 10781777543. The next prime is 10781777569. The reversal of 10781777554 is 45577718701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6432204 + ... + 6433879.

It is an arithmetic number, because the mean of its divisors is an integer number (2026408230).

Almost surely, 2^10781777554 is an apocalyptic number.

10781777554 is a deficient number, since it is larger than the sum of its proper divisors (5429488286).

10781777554 is a wasteful number, since it uses less digits than its factorization.

10781777554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12866504.

The product of its (nonzero) digits is 1920800, while the sum is 52.

The spelling of 10781777554 in words is "ten billion, seven hundred eighty-one million, seven hundred seventy-seven thousand, five hundred fifty-four".