265140451201361 has 4 divisors (see below), whose sum is σ = 276668296905792. Its totient is φ = 253612605496932.

The previous prime is 265140451201289. The next prime is 265140451201363. The reversal of 265140451201361 is 163102154041562.

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 265140451201361 - 2²² = 265140447007057 is a prime.

It is a super-2 number, since 2×265140451201361² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265140451201363) 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, 5763922852181 + ... + 5763922852226.

It is an arithmetic number, because the mean of its divisors is an integer number (69167074226448).

Almost surely, 2^{265140451201361} is an apocalyptic number.

It is an amenable number.

265140451201361 is a deficient number, since it is larger than the sum of its proper divisors (11527845704431).

265140451201361 is a wasteful number, since it uses less digits than its factorization.

265140451201361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11527845704430.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 265140451201361 in words is "two hundred sixty-five trillion, one hundred forty billion, four hundred fifty-one million, two hundred one thousand, three hundred sixty-one".