21503302360150 has 96 divisors (see below), whose sum is σ = 43657938213120. Its totient is φ = 7832106199680.

The previous prime is 21503302360121. The next prime is 21503302360217. The reversal of 21503302360150 is 5106320330512.

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, 35250639 + ... + 35855461.

It is an arithmetic number, because the mean of its divisors is an integer number (454770189720).

Almost surely, 2^{21503302360150} is an apocalyptic number.

21503302360150 is an abundant number, since it is smaller than the sum of its proper divisors (22154635852970).

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

21503302360150 is a wasteful number, since it uses less digits than its factorization.

21503302360150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605590 (or 605585 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 21503302360150 its reverse (5106320330512), we get a palindrome (26609622690662).

The spelling of 21503302360150 in words is "twenty-one trillion, five hundred three billion, three hundred two million, three hundred sixty thousand, one hundred fifty".