11542775 has 12 divisors (see below), whose sum is σ = 14361432. Its totient is φ = 9203040.

The previous prime is 11542763. The next prime is 11542781. The reversal of 11542775 is 57724511.

11542775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11542775 - 2⁴ = 11542759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9344 + ... + 10506.

It is an arithmetic number, because the mean of its divisors is an integer number (1196786).

Almost surely, 2^11542775 is an apocalyptic number.

11542775 is a deficient number, since it is larger than the sum of its proper divisors (2818657).

11542775 is a wasteful number, since it uses less digits than its factorization.

11542775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1565 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 11542775 is about 3397.4659674528. The cubic root of 11542775 is about 225.9973829545.

The spelling of 11542775 in words is "eleven million, five hundred forty-two thousand, seven hundred seventy-five".