2102552606765 has 16 divisors (see below), whose sum is σ = 2733222702000. Its totient is φ = 1552654224576.

The previous prime is 2102552606657. The next prime is 2102552606779. The reversal of 2102552606765 is 5676062552012.

It can be written as a sum of positive squares in 8 ways, for example, as 1954163551396 + 148389055369 = 1397914^2 + 385213^2 .

It is not a de Polignac number, because 2102552606765 - 2²⁴ = 2102535829549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95690090 + ... + 95712059.

It is an arithmetic number, because the mean of its divisors is an integer number (170826418875).

Almost surely, 2^{2102552606765} is an apocalyptic number.

It is an amenable number.

2102552606765 is a deficient number, since it is larger than the sum of its proper divisors (630670095235).

2102552606765 is an equidigital number, since it uses as much as digits as its factorization.

2102552606765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191402193 (or 191402167 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 2102552606765 in words is "two trillion, one hundred two billion, five hundred fifty-two million, six hundred six thousand, seven hundred sixty-five".