11542548 has 12 divisors (see below), whose sum is σ = 26932640. Its totient is φ = 3847512.

The previous prime is 11542543. The next prime is 11542549. The reversal of 11542548 is 84524511.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480928 + ... + 480951.

Almost surely, 2^11542548 is an apocalyptic number.

It is an amenable number.

11542548 is an abundant number, since it is smaller than the sum of its proper divisors (15390092).

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

11542548 is a wasteful number, since it uses less digits than its factorization.

11542548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961886 (or 961884 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 11542548 is about 3397.4325600371. The cubic root of 11542548 is about 225.9959014580.

It can be divided in two parts, 11542 and 548, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 11542548 in words is "eleven million, five hundred forty-two thousand, five hundred forty-eight".