11542255530 has 48 divisors (see below), whose sum is σ = 29996218080. Its totient is φ = 2841169344.

The previous prime is 11542255481. The next prime is 11542255537. The reversal of 11542255530 is 3555224511.

It is a junction number, because it is equal to n+sod(n) for n = 11542255491 and 11542255500.

It is not an unprimeable number, because it can be changed into a prime (11542255537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1133220 + ... + 1143359.

It is an arithmetic number, because the mean of its divisors is an integer number (624921210).

Almost surely, 2^11542255530 is an apocalyptic number.

11542255530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11542255530 is an abundant number, since it is smaller than the sum of its proper divisors (18453962550).

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

11542255530 is a wasteful number, since it uses less digits than its factorization.

11542255530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276615 (or 2276602 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 11542255530 in words is "eleven billion, five hundred forty-two million, two hundred fifty-five thousand, five hundred thirty".