2215001501525 has 48 divisors (see below), whose sum is σ = 2804351390976. Its totient is φ = 1735020000000.

The previous prime is 2215001501513. The next prime is 2215001501527. The reversal of 2215001501525 is 5251051005122.

It is not a de Polignac number, because 2215001501525 - 2²⁰ = 2215000452949 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 (2215001501527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 930280835 + ... + 930283215.

It is an arithmetic number, because the mean of its divisors is an integer number (58423987312).

Almost surely, 2^{2215001501525} is an apocalyptic number.

2215001501525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2215001501525 is a deficient number, since it is larger than the sum of its proper divisors (589349889451).

2215001501525 is a wasteful number, since it uses less digits than its factorization.

2215001501525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 2215001501525 its reverse (5251051005122), we get a palindrome (7466052506647).

The spelling of 2215001501525 in words is "two trillion, two hundred fifteen billion, one million, five hundred one thousand, five hundred twenty-five".