4011522131142 has 80 divisors (see below), whose sum is σ = 9161313350112. Its totient is φ = 1311524248320.

The previous prime is 4011522131137. The next prime is 4011522131171. The reversal of 4011522131142 is 2411312251104.

4011522131142 is a `hidden beast` number, since 4 + 0 + 1 + 1 + 522 + 131 + 1 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27324718 + ... + 27471134.

Almost surely, 2^{4011522131142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4011522131142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4580656675056).

4011522131142 is an abundant number, since it is smaller than the sum of its proper divisors (5149791218970).

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

4011522131142 is a wasteful number, since it uses less digits than its factorization.

4011522131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149675 (or 149666 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 4011522131142 its reverse (2411312251104), we get a palindrome (6422834382246).

The spelling of 4011522131142 in words is "four trillion, eleven billion, five hundred twenty-two million, one hundred thirty-one thousand, one hundred forty-two".