1001110999957 has 4 divisors (see below), whose sum is σ = 1017522655756. Its totient is φ = 984699344160.

The previous prime is 1001110999949. The next prime is 1001110999963. The reversal of 1001110999957 is 7599990111001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 453852826596 + 547258173361 = 673686^2 + 739769^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001110999957 - 2³ = 1001110999949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001110999937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8205827808 + ... + 8205827929.

It is an arithmetic number, because the mean of its divisors is an integer number (254380663939).

Almost surely, 2^{1001110999957} is an apocalyptic number.

It is an amenable number.

1001110999957 is a deficient number, since it is larger than the sum of its proper divisors (16411655799).

1001110999957 is an equidigital number, since it uses as much as digits as its factorization.

1001110999957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16411655798.

The product of its (nonzero) digits is 229635, while the sum is 52.

The spelling of 1001110999957 in words is "one trillion, one billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred fifty-seven".