2027516102561 has 4 divisors (see below), whose sum is σ = 2134227476400. Its totient is φ = 1920804728724.

The previous prime is 2027516102543. The next prime is 2027516102587. The reversal of 2027516102561 is 1652016157202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2027516102561 is a prime.

It is a super-2 number, since 2×2027516102561² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2027516102531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53355686891 + ... + 53355686928.

It is an arithmetic number, because the mean of its divisors is an integer number (533556869100).

Almost surely, 2^{2027516102561} is an apocalyptic number.

It is an amenable number.

2027516102561 is a deficient number, since it is larger than the sum of its proper divisors (106711373839).

2027516102561 is a wasteful number, since it uses less digits than its factorization.

2027516102561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106711373838.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 2027516102561 in words is "two trillion, twenty-seven billion, five hundred sixteen million, one hundred two thousand, five hundred sixty-one".