11120999957 has 6 divisors (see below), whose sum is σ = 11141887554. Its totient is φ = 11100151440.

The previous prime is 11120999947. The next prime is 11120999959. The reversal of 11120999957 is 75999902111.

It can be written as a sum of positive squares in 3 ways, for example, as 3384214276 + 7736785681 = 58174^2 + 87959^2 .

It is not a de Polignac number, because 11120999957 - 2¹² = 11120995861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120999899 and 11120999908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120999959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273683 + ... + 311679.

It is an arithmetic number, because the mean of its divisors is an integer number (1856981259).

Almost surely, 2^11120999957 is an apocalyptic number.

It is an amenable number.

11120999957 is a deficient number, since it is larger than the sum of its proper divisors (20887597).

11120999957 is an frugal number, since it uses more digits than its factorization.

11120999957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39079 (or 38538 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 53.

The spelling of 11120999957 in words is "eleven billion, one hundred twenty million, nine hundred ninety-nine thousand, nine hundred fifty-seven".