11542285550 has 48 divisors (see below), whose sum is σ = 21665470464. Its totient is φ = 4574700000.

The previous prime is 11542285537. The next prime is 11542285561. The reversal of 11542285550 is 5558224511.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7538285 + ... + 7539815.

It is an arithmetic number, because the mean of its divisors is an integer number (451363968).

Almost surely, 2^11542285550 is an apocalyptic number.

11542285550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11542285550 is a deficient number, since it is larger than the sum of its proper divisors (10123184914).

11542285550 is a wasteful number, since it uses less digits than its factorization.

11542285550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 38.

The spelling of 11542285550 in words is "eleven billion, five hundred forty-two million, two hundred eighty-five thousand, five hundred fifty".