21225524360510 has 32 divisors (see below), whose sum is σ = 40400305714944. Its totient is φ = 8015933664000.

The previous prime is 21225524360477. The next prime is 21225524360527. The reversal of 21225524360510 is 1506342552212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834980381 + ... + 835005800.

It is an arithmetic number, because the mean of its divisors is an integer number (1262509553592).

Almost surely, 2^{21225524360510} is an apocalyptic number.

21225524360510 is a deficient number, since it is larger than the sum of its proper divisors (19174781354434).

21225524360510 is a wasteful number, since it uses less digits than its factorization.

21225524360510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669986260.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 21225524360510 in words is "twenty-one trillion, two hundred twenty-five billion, five hundred twenty-four million, three hundred sixty thousand, five hundred ten".