1053991007773 has 16 divisors (see below), whose sum is σ = 1153641580416. Its totient is φ = 954980389440.

The previous prime is 1053991007753. The next prime is 1053991007831. The reversal of 1053991007773 is 3777001993501.

It is a de Polignac number, because none of the positive numbers 2^k-1053991007773 is a prime.

It is a super-2 number, since 2×1053991007773² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053991007773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053991007743) 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, 22094215 + ... + 22141867.

It is an arithmetic number, because the mean of its divisors is an integer number (72102598776).

Almost surely, 2^{1053991007773} is an apocalyptic number.

It is an amenable number.

1053991007773 is a deficient number, since it is larger than the sum of its proper divisors (99650572643).

1053991007773 is a wasteful number, since it uses less digits than its factorization.

1053991007773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54324.

The product of its (nonzero) digits is 1250235, while the sum is 52.

The spelling of 1053991007773 in words is "one trillion, fifty-three billion, nine hundred ninety-one million, seven thousand, seven hundred seventy-three".