265937995061 has 16 divisors (see below), whose sum is σ = 270712715328. Its totient is φ = 261209270400.

The previous prime is 265937995021. The next prime is 265937995067. The reversal of 265937995061 is 160599739562.

It is a cyclic number.

It is not a de Polignac number, because 265937995061 - 2²² = 265933800757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 265937994985 and 265937995003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265937995067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16994801 + ... + 17010441.

It is an arithmetic number, because the mean of its divisors is an integer number (16919544708).

Almost surely, 2^265937995061 is an apocalyptic number.

It is an amenable number.

265937995061 is a deficient number, since it is larger than the sum of its proper divisors (4774720267).

265937995061 is a wasteful number, since it uses less digits than its factorization.

265937995061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092.

The product of its (nonzero) digits is 27556200, while the sum is 62.

The spelling of 265937995061 in words is "two hundred sixty-five billion, nine hundred thirty-seven million, nine hundred ninety-five thousand, sixty-one".