265134655550451 has 4 divisors (see below), whose sum is σ = 353512874067272. Its totient is φ = 176756437033632.

The previous prime is 265134655550437. The next prime is 265134655550507. The reversal of 265134655550451 is 154055556431562.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 265134655550451 - 2³⁷ = 264997216596979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265134655550391 and 265134655550400.

It is not an unprimeable number, because it can be changed into a prime (265134655550351) 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, 44189109258406 + ... + 44189109258411.

It is an arithmetic number, because the mean of its divisors is an integer number (88378218516818).

Almost surely, 2^{265134655550451} is an apocalyptic number.

265134655550451 is a deficient number, since it is larger than the sum of its proper divisors (88378218516821).

265134655550451 is an equidigital number, since it uses as much as digits as its factorization.

265134655550451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88378218516820.

The product of its (nonzero) digits is 54000000, while the sum is 57.

The spelling of 265134655550451 in words is "two hundred sixty-five trillion, one hundred thirty-four billion, six hundred fifty-five million, five hundred fifty thousand, four hundred fifty-one".