21114262513152 has 60 divisors (see below), whose sum is σ = 60937191237780. Its totient is φ = 7038087502848.

The previous prime is 21114262513121. The next prime is 21114262513207. The reversal of 21114262513152 is 25131526241112.

21114262513152 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 4 + 2 + 625 + 13 + 15 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2291039502 + ... + 2291048717.

It is an arithmetic number, because the mean of its divisors is an integer number (1015619853963).

Almost surely, 2^{21114262513152} is an apocalyptic number.

It is an amenable number.

21114262513152 is an abundant number, since it is smaller than the sum of its proper divisors (39822928724628).

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

21114262513152 is an equidigital number, since it uses as much as digits as its factorization.

21114262513152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582088243 (or 4582088224 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

Adding to 21114262513152 its reverse (25131526241112), we get a palindrome (46245788754264).

The spelling of 21114262513152 in words is "twenty-one trillion, one hundred fourteen billion, two hundred sixty-two million, five hundred thirteen thousand, one hundred fifty-two".