11446521613021 has 64 divisors (see below), whose sum is σ = 13122965053440. Its totient is φ = 9891726243840.

The previous prime is 11446521613013. The next prime is 11446521613061. The reversal of 11446521613021 is 12031612564411.

It is a cyclic number.

It is not a de Polignac number, because 11446521613021 - 2³ = 11446521613013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11446521613001) 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, 3934863315 + ... + 3934866223.

It is an arithmetic number, because the mean of its divisors is an integer number (205046328960).

Almost surely, 2^{11446521613021} is an apocalyptic number.

11446521613021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11446521613021 is a deficient number, since it is larger than the sum of its proper divisors (1676443440419).

11446521613021 is a wasteful number, since it uses less digits than its factorization.

11446521613021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 11446521613021 in words is "eleven trillion, four hundred forty-six billion, five hundred twenty-one million, six hundred thirteen thousand, twenty-one".