265553530464453 has 24 divisors (see below), whose sum is σ = 449322485686560. Its totient is φ = 137949885954720.

The previous prime is 265553530464449. The next prime is 265553530464511. The reversal of 265553530464453 is 354464035355562.

It is not a de Polignac number, because 265553530464453 - 2² = 265553530464449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265553530464653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82113025738 + ... + 82113028971.

It is an arithmetic number, because the mean of its divisors is an integer number (18721770236940).

Almost surely, 2^{265553530464453} is an apocalyptic number.

It is an amenable number.

265553530464453 is a deficient number, since it is larger than the sum of its proper divisors (183768955222107).

265553530464453 is a wasteful number, since it uses less digits than its factorization.

265553530464453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164226054737 (or 164226054730 counting only the distinct ones).

The product of its (nonzero) digits is 388800000, while the sum is 60.

The spelling of 265553530464453 in words is "two hundred sixty-five trillion, five hundred fifty-three billion, five hundred thirty million, four hundred sixty-four thousand, four hundred fifty-three".