10515150221 has 8 divisors (see below), whose sum is σ = 11081572320. Its totient is φ = 9950027472.

The previous prime is 10515150181. The next prime is 10515150227. The reversal of 10515150221 is 12205151501.

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-10515150221 is a prime.

It is a super-2 number, since 2×10515150221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10515150227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308195 + ... + 340608.

It is an arithmetic number, because the mean of its divisors is an integer number (1385196540).

Almost surely, 2^10515150221 is an apocalyptic number.

It is an amenable number.

10515150221 is a deficient number, since it is larger than the sum of its proper divisors (566422099).

10515150221 is an equidigital number, since it uses as much as digits as its factorization.

10515150221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649675.

The product of its (nonzero) digits is 500, while the sum is 23.

The spelling of 10515150221 in words is "ten billion, five hundred fifteen million, one hundred fifty thousand, two hundred twenty-one".