11142540330 has 64 divisors (see below), whose sum is σ = 27272360448. Its totient is φ = 2912532480.

The previous prime is 11142540323. The next prime is 11142540373. The reversal of 11142540330 is 3304524111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11142540330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2107290 + ... + 2112570.

It is an arithmetic number, because the mean of its divisors is an integer number (426130632).

Almost surely, 2^11142540330 is an apocalyptic number.

11142540330 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 11142540330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13636180224).

11142540330 is an abundant number, since it is smaller than the sum of its proper divisors (16129820118).

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

11142540330 is a wasteful number, since it uses less digits than its factorization.

11142540330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 11142540330 in words is "eleven billion, one hundred forty-two million, five hundred forty thousand, three hundred thirty".