11574546319981 has 8 divisors (see below), whose sum is σ = 12112394313600. Its totient is φ = 11039582230512.

The previous prime is 11574546319967. The next prime is 11574546319991. The reversal of 11574546319981 is 18991364547511.

11574546319981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11574546319981 is a prime.

It is a super-2 number, since 2×11574546319981² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11574546319991) 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, 720967825 + ... + 720983878.

It is an arithmetic number, because the mean of its divisors is an integer number (1514049289200).

Almost surely, 2^{11574546319981} is an apocalyptic number.

It is an amenable number.

11574546319981 is a deficient number, since it is larger than the sum of its proper divisors (537847993619).

11574546319981 is a wasteful number, since it uses less digits than its factorization.

11574546319981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441952075.

The product of its digits is 32659200, while the sum is 64.

The spelling of 11574546319981 in words is "eleven trillion, five hundred seventy-four billion, five hundred forty-six million, three hundred nineteen thousand, nine hundred eighty-one".