15225322021061 has 8 divisors (see below), whose sum is σ = 15335353787040. Its totient is φ = 15115297356432.

The previous prime is 15225322021003. The next prime is 15225322021099. The reversal of 15225322021061 is 16012022352251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15225322021061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15225322021961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2566391 + ... + 6085803.

It is an arithmetic number, because the mean of its divisors is an integer number (1916919223380).

Almost surely, 2^{15225322021061} is an apocalyptic number.

It is an amenable number.

15225322021061 is a deficient number, since it is larger than the sum of its proper divisors (110031765979).

15225322021061 is a wasteful number, since it uses less digits than its factorization.

15225322021061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550675.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 15225322021061 in words is "fifteen trillion, two hundred twenty-five billion, three hundred twenty-two million, twenty-one thousand, sixty-one".