10501001215 has 4 divisors (see below), whose sum is σ = 12601201464. Its totient is φ = 8400800968.

The previous prime is 10501001197. The next prime is 10501001219. The reversal of 10501001215 is 51210010501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10501001215 - 2⁵ = 10501001183 is a prime.

It is a super-2 number, since 2×10501001215² (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 (10501001219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050100117 + ... + 1050100126.

It is an arithmetic number, because the mean of its divisors is an integer number (3150300366).

Almost surely, 2^10501001215 is an apocalyptic number.

10501001215 is a deficient number, since it is larger than the sum of its proper divisors (2100200249).

10501001215 is an equidigital number, since it uses as much as digits as its factorization.

10501001215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100200248.

The product of its (nonzero) digits is 50, while the sum is 16.

Adding to 10501001215 its reverse (51210010501), we get a palindrome (61711011716).

The spelling of 10501001215 in words is "ten billion, five hundred one million, one thousand, two hundred fifteen".