11011210999957 has 32 divisors (see below), whose sum is σ = 13298761681920. Its totient is φ = 8917836238080.

The previous prime is 11011210999951. The next prime is 11011210999973. The reversal of 11011210999957 is 75999901211011.

It is not a de Polignac number, because 11011210999957 - 2¹¹ = 11011210997909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011210999898 and 11011210999907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011210999951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182548 + ... + 4696354.

It is an arithmetic number, because the mean of its divisors is an integer number (415586302560).

Almost surely, 2^{11011210999957} is an apocalyptic number.

It is an amenable number.

11011210999957 is a deficient number, since it is larger than the sum of its proper divisors (2287550681963).

11011210999957 is a wasteful number, since it uses less digits than its factorization.

11011210999957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514101.

The product of its (nonzero) digits is 459270, while the sum is 55.

The spelling of 11011210999957 in words is "eleven trillion, eleven billion, two hundred ten million, nine hundred ninety-nine thousand, nine hundred fifty-seven".