11021142040 has 32 divisors (see below), whose sum is σ = 24866676000. Its totient is φ = 4396171264.

The previous prime is 11021142023. The next prime is 11021142053. The reversal of 11021142040 is 4024112011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369385 + ... + 398104.

It is an arithmetic number, because the mean of its divisors is an integer number (777083625).

Almost surely, 2^11021142040 is an apocalyptic number.

11021142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021142040 is an abundant number, since it is smaller than the sum of its proper divisors (13845533960).

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

11021142040 is a wasteful number, since it uses less digits than its factorization.

11021142040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767859 (or 767855 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11021142040 its reverse (4024112011), we get a palindrome (15045254051).

It can be divided in two parts, 110211 and 42040, that added together give a palindrome (152251).

The spelling of 11021142040 in words is "eleven billion, twenty-one million, one hundred forty-two thousand, forty".