11533327221642 has 16 divisors (see below), whose sum is σ = 23557434325632. Its totient is φ = 3762645760160.

The previous prime is 11533327221623. The next prime is 11533327221643. The reversal of 11533327221642 is 24612272333511.

It is a junction number, because it is equal to n+sod(n) for n = 11533327221594 and 11533327221603.

It is not an unprimeable number, because it can be changed into a prime (11533327221643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20449161459 + ... + 20449162022.

It is an arithmetic number, because the mean of its divisors is an integer number (1472339645352).

Almost surely, 2^{11533327221642} is an apocalyptic number.

11533327221642 is an abundant number, since it is smaller than the sum of its proper divisors (12024107103990).

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

11533327221642 is a wasteful number, since it uses less digits than its factorization.

11533327221642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40898323533.

The product of its digits is 362880, while the sum is 42.

The spelling of 11533327221642 in words is "eleven trillion, five hundred thirty-three billion, three hundred twenty-seven million, two hundred twenty-one thousand, six hundred forty-two".