21524948827852 has 6 divisors (see below), whose sum is σ = 37668660448748. Its totient is φ = 10762474413924.

The previous prime is 21524948827829. The next prime is 21524948827873. The reversal of 21524948827852 is 25872884942512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2690618603478 + ... + 2690618603485.

Almost surely, 2^{21524948827852} is an apocalyptic number.

It is an amenable number.

21524948827852 is a deficient number, since it is larger than the sum of its proper divisors (16143711620896).

21524948827852 is a wasteful number, since it uses less digits than its factorization.

21524948827852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381237206967 (or 5381237206965 counting only the distinct ones).

The product of its digits is 206438400, while the sum is 67.

The spelling of 21524948827852 in words is "twenty-one trillion, five hundred twenty-four billion, nine hundred forty-eight million, eight hundred twenty-seven thousand, eight hundred fifty-two".