2651771522525 has 12 divisors (see below), whose sum is σ = 3364666379712. Its totient is φ = 2072081933040.

The previous prime is 2651771522497. The next prime is 2651771522527. The reversal of 2651771522525 is 5252251771562.

It is not a de Polignac number, because 2651771522525 - 2¹⁰ = 2651771521501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651771522527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1233381029 + ... + 1233383178.

It is an arithmetic number, because the mean of its divisors is an integer number (280388864976).

Almost surely, 2^{2651771522525} is an apocalyptic number.

2651771522525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2651771522525 is a deficient number, since it is larger than the sum of its proper divisors (712894857187).

2651771522525 is a wasteful number, since it uses less digits than its factorization.

2651771522525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466764260 (or 2466764255 counting only the distinct ones).

The product of its digits is 2940000, while the sum is 50.

The spelling of 2651771522525 in words is "two trillion, six hundred fifty-one billion, seven hundred seventy-one million, five hundred twenty-two thousand, five hundred twenty-five".