11442532530 has 128 divisors (see below), whose sum is σ = 32718422016. Its totient is φ = 2524435200.

The previous prime is 11442532447. The next prime is 11442532559. The reversal of 11442532530 is 3523524411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 285807 + ... + 323373.

It is an arithmetic number, because the mean of its divisors is an integer number (255612672).

Almost surely, 2^11442532530 is an apocalyptic number.

11442532530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11442532530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16359211008).

11442532530 is an abundant number, since it is smaller than the sum of its proper divisors (21275889486).

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

11442532530 is a wasteful number, since it uses less digits than its factorization.

11442532530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37672.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 11442532530 in words is "eleven billion, four hundred forty-two million, five hundred thirty-two thousand, five hundred thirty".