11632021571742 has 128 divisors (see below), whose sum is σ = 27519504509952. Its totient is φ = 3231304704000.

The previous prime is 11632021571633. The next prime is 11632021571747. The reversal of 11632021571742 is 24717512023611.

It is a junction number, because it is equal to n+sod(n) for n = 11632021571694 and 11632021571703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11632021571747) 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, 605414928 + ... + 605434140.

It is an arithmetic number, because the mean of its divisors is an integer number (214996128984).

Almost surely, 2^{11632021571742} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11632021571742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13759752254976).

11632021571742 is an abundant number, since it is smaller than the sum of its proper divisors (15887482938210).

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

11632021571742 is a wasteful number, since it uses less digits than its factorization.

11632021571742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24066.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 11632021571742 in words is "eleven trillion, six hundred thirty-two billion, twenty-one million, five hundred seventy-one thousand, seven hundred forty-two".