2261277882511 has 4 divisors (see below), whose sum is σ = 2262336039952. Its totient is φ = 2260219725072.

The previous prime is 2261277882503. The next prime is 2261277882517. The reversal of 2261277882511 is 1152887721622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2261277882511 - 2³ = 2261277882503 is a prime.

It is a super-2 number, since 2×2261277882511² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261277882517) 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, 529075515 + ... + 529079788.

It is an arithmetic number, because the mean of its divisors is an integer number (565584009988).

Almost surely, 2^{2261277882511} is an apocalyptic number.

2261277882511 is a deficient number, since it is larger than the sum of its proper divisors (1058157441).

2261277882511 is a wasteful number, since it uses less digits than its factorization.

2261277882511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058157440.

The product of its digits is 1505280, while the sum is 52.

The spelling of 2261277882511 in words is "two trillion, two hundred sixty-one billion, two hundred seventy-seven million, eight hundred eighty-two thousand, five hundred eleven".