11011110999957 has 6 divisors (see below), whose sum is σ = 15904938111062. Its totient is φ = 7340740666632.

The previous prime is 11011110999949. The next prime is 11011110999989. The reversal of 11011110999957 is 75999901111011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6224296481316 + 4786814518641 = 2494854^2 + 2187879^2 .

It is not a de Polignac number, because 11011110999957 - 2³ = 11011110999949 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 (11011110999997) 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, 611728388878 + ... + 611728388895.

Almost surely, 2^{11011110999957} is an apocalyptic number.

It is an amenable number.

11011110999957 is a deficient number, since it is larger than the sum of its proper divisors (4893827111105).

11011110999957 is a wasteful number, since it uses less digits than its factorization.

11011110999957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223456777779 (or 1223456777776 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 54.

The spelling of 11011110999957 in words is "eleven trillion, eleven billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred fifty-seven".