21364757050152 has 16 divisors (see below), whose sum is σ = 53411892625440. Its totient is φ = 7121585683376.

The previous prime is 21364757050127. The next prime is 21364757050171. The reversal of 21364757050152 is 25105075746312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445099105188 + ... + 445099105235.

It is an arithmetic number, because the mean of its divisors is an integer number (3338243289090).

Almost surely, 2^{21364757050152} is an apocalyptic number.

It is an amenable number.

21364757050152 is an abundant number, since it is smaller than the sum of its proper divisors (32047135575288).

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

21364757050152 is a wasteful number, since it uses less digits than its factorization.

21364757050152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890198210432 (or 890198210428 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 21364757050152 in words is "twenty-one trillion, three hundred sixty-four billion, seven hundred fifty-seven million, fifty thousand, one hundred fifty-two".