265140300200421 has 16 divisors (see below), whose sum is σ = 364924735695360. Its totient is φ = 171058046530560.

The previous prime is 265140300200407. The next prime is 265140300200423. The reversal of 265140300200421 is 124002003041562.

265140300200421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 265140300200421 - 2⁶ = 265140300200357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265140300200423) 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, 115459801 + ... + 117733793.

It is an arithmetic number, because the mean of its divisors is an integer number (22807795980960).

Almost surely, 2^{265140300200421} is an apocalyptic number.

It is an amenable number.

265140300200421 is a deficient number, since it is larger than the sum of its proper divisors (99784435494939).

265140300200421 is a wasteful number, since it uses less digits than its factorization.

265140300200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527756.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 265140300200421 its reverse (124002003041562), we get a palindrome (389142303241983).

The spelling of 265140300200421 in words is "two hundred sixty-five trillion, one hundred forty billion, three hundred million, two hundred thousand, four hundred twenty-one".