10781543755 has 16 divisors (see below), whose sum is σ = 12984098400. Its totient is φ = 8594449920.

The previous prime is 10781543719. The next prime is 10781543761. The reversal of 10781543755 is 55734518701.

It is not a de Polignac number, because 10781543755 - 2³¹ = 8634060107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2819745 + ... + 2823565.

It is an arithmetic number, because the mean of its divisors is an integer number (811506150).

Almost surely, 2^10781543755 is an apocalyptic number.

10781543755 is a deficient number, since it is larger than the sum of its proper divisors (2202554645).

10781543755 is a wasteful number, since it uses less digits than its factorization.

10781543755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694.

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 10781543755 in words is "ten billion, seven hundred eighty-one million, five hundred forty-three thousand, seven hundred fifty-five".