2500220401505 has 16 divisors (see below), whose sum is σ = 3105615360000. Its totient is φ = 1930793723712.

The previous prime is 2500220401433. The next prime is 2500220401507. The reversal of 2500220401505 is 5051040220052.

2500220401505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500220401505 is a prime.

It is a super-2 number, since 2×2500220401505² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2500220401507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53184005 + ... + 53230994.

It is an arithmetic number, because the mean of its divisors is an integer number (194100960000).

Almost surely, 2^{2500220401505} is an apocalyptic number.

It is an amenable number.

2500220401505 is a deficient number, since it is larger than the sum of its proper divisors (605394958495).

2500220401505 is a wasteful number, since it uses less digits than its factorization.

2500220401505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106415168.

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 2500220401505 its reverse (5051040220052), we get a palindrome (7551260621557).

The spelling of 2500220401505 in words is "two trillion, five hundred billion, two hundred twenty million, four hundred one thousand, five hundred five".