71612567651225 has 48 divisors (see below), whose sum is σ = 92248852153920. Its totient is φ = 55081718496000.

The previous prime is 71612567651203. The next prime is 71612567651249. The reversal of 71612567651225 is 52215676521617.

It is not a de Polignac number, because 71612567651225 - 2⁸ = 71612567650969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233773259 + ... + 234079391.

It is an arithmetic number, because the mean of its divisors is an integer number (1921851086540).

Almost surely, 2^{71612567651225} is an apocalyptic number.

It is an amenable number.

71612567651225 is a deficient number, since it is larger than the sum of its proper divisors (20636284502695).

71612567651225 is a wasteful number, since it uses less digits than its factorization.

71612567651225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307530 (or 307525 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 56.

The spelling of 71612567651225 in words is "seventy-one trillion, six hundred twelve billion, five hundred sixty-seven million, six hundred fifty-one thousand, two hundred twenty-five".