11057123652 has 12 divisors (see below), whose sum is σ = 25799955216. Its totient is φ = 3685707880.

The previous prime is 11057123639. The next prime is 11057123653. The reversal of 11057123652 is 25632175011.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11057123653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460713474 + ... + 460713497.

It is an arithmetic number, because the mean of its divisors is an integer number (2149996268).

Almost surely, 2^11057123652 is an apocalyptic number.

11057123652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11057123652 is an abundant number, since it is smaller than the sum of its proper divisors (14742831564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11057123652 is a wasteful number, since it uses less digits than its factorization.

11057123652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921426978 (or 921426976 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

Adding to 11057123652 its reverse (25632175011), we get a palindrome (36689298663).

The spelling of 11057123652 in words is "eleven billion, fifty-seven million, one hundred twenty-three thousand, six hundred fifty-two".