2016012361225 has 24 divisors (see below), whose sum is σ = 2647028891808. Its totient is φ = 1517868038400.

The previous prime is 2016012361189. The next prime is 2016012361261. The reversal of 2016012361225 is 5221632106102.

It is an interprime number because it is at equal distance from previous prime (2016012361189) and next prime (2016012361261).

It is not a de Polignac number, because 2016012361225 - 2¹⁷ = 2016012230153 is a prime.

It is a super-2 number, since 2×2016012361225² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10147090 + ... + 10343860.

It is an arithmetic number, because the mean of its divisors is an integer number (110292870492).

Almost surely, 2^{2016012361225} is an apocalyptic number.

2016012361225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2016012361225 is a deficient number, since it is larger than the sum of its proper divisors (631016530583).

2016012361225 is a wasteful number, since it uses less digits than its factorization.

2016012361225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220905 (or 220900 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 2016012361225 its reverse (5221632106102), we get a palindrome (7237644467327).

The spelling of 2016012361225 in words is "two trillion, sixteen billion, twelve million, three hundred sixty-one thousand, two hundred twenty-five".