11542531265622 has 128 divisors (see below), whose sum is σ = 29473063833600. Its totient is φ = 3280046313600.

The previous prime is 11542531265611. The next prime is 11542531265627. The reversal of 11542531265622 is 22656213524511.

11542531265622 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 2 + 5 + 3 + 12 + 6 + 5 + 622 = 666.

It is a super-2 number, since 2×11542531265622² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542531265627) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74092972 + ... + 74248592.

It is an arithmetic number, because the mean of its divisors is an integer number (230258311200).

Almost surely, 2^{11542531265622} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11542531265622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14736531916800).

11542531265622 is an abundant number, since it is smaller than the sum of its proper divisors (17930532567978).

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

11542531265622 is a wasteful number, since it uses less digits than its factorization.

11542531265622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156699 (or 156693 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The spelling of 11542531265622 in words is "eleven trillion, five hundred forty-two billion, five hundred thirty-one million, two hundred sixty-five thousand, six hundred twenty-two".