21032150245 has 16 divisors (see below), whose sum is σ = 26345658240. Its totient is φ = 16088209984.

The previous prime is 21032150233. The next prime is 21032150333. The reversal of 21032150245 is 54205123012.

It is a cyclic number.

It is not a de Polignac number, because 21032150245 - 2¹¹ = 21032148197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291747 + ... + 356623.

It is an arithmetic number, because the mean of its divisors is an integer number (1646603640).

Almost surely, 2^21032150245 is an apocalyptic number.

It is an amenable number.

21032150245 is a deficient number, since it is larger than the sum of its proper divisors (5313507995).

21032150245 is a wasteful number, since it uses less digits than its factorization.

21032150245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67724.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 21032150245 its reverse (54205123012), we get a palindrome (75237273257).

The spelling of 21032150245 in words is "twenty-one billion, thirty-two million, one hundred fifty thousand, two hundred forty-five".