21533101325150 has 96 divisors (see below), whose sum is σ = 41964528384000. Its totient is φ = 8209513952640.

The previous prime is 21533101325107. The next prime is 21533101325171. The reversal of 21533101325150 is 5152310133512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 830130881 + ... + 830156819.

It is an arithmetic number, because the mean of its divisors is an integer number (437130504000).

Almost surely, 2^{21533101325150} is an apocalyptic number.

21533101325150 is a deficient number, since it is larger than the sum of its proper divisors (20431427058850).

21533101325150 is a wasteful number, since it uses less digits than its factorization.

21533101325150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33306 (or 33301 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 21533101325150 its reverse (5152310133512), we get a palindrome (26685411458662).

The spelling of 21533101325150 in words is "twenty-one trillion, five hundred thirty-three billion, one hundred one million, three hundred twenty-five thousand, one hundred fifty".