11542775355 has 24 divisors (see below), whose sum is σ = 20433172032. Its totient is φ = 6025163904.

The previous prime is 11542775339. The next prime is 11542775407. The reversal of 11542775355 is 55357724511.

11542775355 is a `hidden beast` number, since 1 + 1 + 5 + 42 + 77 + 535 + 5 = 666.

It is not a de Polignac number, because 11542775355 - 2⁴ = 11542775339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11542775355.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2726674 + ... + 2730903.

It is an arithmetic number, because the mean of its divisors is an integer number (851382168).

Almost surely, 2^11542775355 is an apocalyptic number.

11542775355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11542775355 is a deficient number, since it is larger than the sum of its proper divisors (8890396677).

11542775355 is a wasteful number, since it uses less digits than its factorization.

11542775355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457635 (or 5457632 counting only the distinct ones).

The product of its digits is 735000, while the sum is 45.

The spelling of 11542775355 in words is "eleven billion, five hundred forty-two million, seven hundred seventy-five thousand, three hundred fifty-five".