21375150733522 has 16 divisors (see below), whose sum is σ = 32852796480000. Its totient is φ = 10424346393760.

The previous prime is 21375150733499. The next prime is 21375150733523. The reversal of 21375150733522 is 22533705157312.

It is not an unprimeable number, because it can be changed into a prime (21375150733523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31618522 + ... + 32287477.

It is an arithmetic number, because the mean of its divisors is an integer number (2053299780000).

Almost surely, 2^{21375150733522} is an apocalyptic number.

21375150733522 is a deficient number, since it is larger than the sum of its proper divisors (11477645746478).

21375150733522 is a wasteful number, since it uses less digits than its factorization.

21375150733522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63910121.

The product of its (nonzero) digits is 1323000, while the sum is 46.

The spelling of 21375150733522 in words is "twenty-one trillion, three hundred seventy-five billion, one hundred fifty million, seven hundred thirty-three thousand, five hundred twenty-two".