2271152211725 has 24 divisors (see below), whose sum is σ = 2992974497640. Its totient is φ = 1703686891520.

The previous prime is 2271152211631. The next prime is 2271152211743. The reversal of 2271152211725 is 5271122511722.

It can be written as a sum of positive squares in 12 ways, for example, as 739149428644 + 1532002783081 = 859738^2 + 1237741^2 .

It is not a de Polignac number, because 2271152211725 - 2⁸ = 2271152211469 is a prime.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 9818552 + ... + 10047201.

It is an arithmetic number, because the mean of its divisors is an integer number (124707270735).

Almost surely, 2^{2271152211725} is an apocalyptic number.

2271152211725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2271152211725 is a deficient number, since it is larger than the sum of its proper divisors (721822285915).

2271152211725 is a wasteful number, since it uses less digits than its factorization.

2271152211725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19866049 (or 19866044 counting only the distinct ones).

The product of its digits is 39200, while the sum is 38.

The spelling of 2271152211725 in words is "two trillion, two hundred seventy-one billion, one hundred fifty-two million, two hundred eleven thousand, seven hundred twenty-five".