26077374511661 has 4 divisors (see below), whose sum is σ = 28448044921824. Its totient is φ = 23706704101500.

The previous prime is 26077374511637. The next prime is 26077374511703. The reversal of 26077374511661 is 16611547377062.

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 not a de Polignac number, because 26077374511661 - 2⁶ = 26077374511597 is a prime.

It is a super-3 number, since 3×26077374511661³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 26077374511597 and 26077374511606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26077374511861) 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, 1185335205065 + ... + 1185335205086.

It is an arithmetic number, because the mean of its divisors is an integer number (7112011230456).

Almost surely, 2^{26077374511661} is an apocalyptic number.

It is an amenable number.

26077374511661 is a deficient number, since it is larger than the sum of its proper divisors (2370670410163).

26077374511661 is a wasteful number, since it uses less digits than its factorization.

26077374511661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370670410162.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 26077374511661 in words is "twenty-six trillion, seventy-seven billion, three hundred seventy-four million, five hundred eleven thousand, six hundred sixty-one".