11057385911 has 24 divisors (see below), whose sum is σ = 13219428096. Its totient is φ = 9167003040.

The previous prime is 11057385853. The next prime is 11057385961. The reversal of 11057385911 is 11958375011.

It is not a de Polignac number, because 11057385911 - 2¹⁴ = 11057369527 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 (11057385961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118466 + ... + 190128.

It is an arithmetic number, because the mean of its divisors is an integer number (550809504).

Almost surely, 2^11057385911 is an apocalyptic number.

11057385911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11057385911 is a deficient number, since it is larger than the sum of its proper divisors (2162042185).

11057385911 is a wasteful number, since it uses less digits than its factorization.

11057385911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71783 (or 71770 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 41.

The spelling of 11057385911 in words is "eleven billion, fifty-seven million, three hundred eighty-five thousand, nine hundred eleven".