1054656791783 has 32 divisors (see below), whose sum is σ = 1279588577280. Its totient is φ = 849685541760.

The previous prime is 1054656791779. The next prime is 1054656791789. The reversal of 1054656791783 is 3871976564501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1054656791783 - 2² = 1054656791779 is a prime.

It is a super-2 number, since 2×1054656791783² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054656791789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10152341 + ... + 10255697.

It is an arithmetic number, because the mean of its divisors is an integer number (39987143040).

Almost surely, 2^{1054656791783} is an apocalyptic number.

1054656791783 is a deficient number, since it is larger than the sum of its proper divisors (224931785497).

1054656791783 is a wasteful number, since it uses less digits than its factorization.

1054656791783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104487.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 1054656791783 in words is "one trillion, fifty-four billion, six hundred fifty-six million, seven hundred ninety-one thousand, seven hundred eighty-three".