265235452550651 has 32 divisors (see below), whose sum is σ = 291223392768000. Its totient is φ = 239565129300000.

The previous prime is 265235452550599. The next prime is 265235452550671. The reversal of 265235452550651 is 156055254532562.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265235452550651 is a prime.

It is a super-3 number, since 3×265235452550651³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (265235452550671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6543994256 + ... + 6544034786.

It is an arithmetic number, because the mean of its divisors is an integer number (9100731024000).

Almost surely, 2^{265235452550651} is an apocalyptic number.

265235452550651 is a deficient number, since it is larger than the sum of its proper divisors (25987940217349).

265235452550651 is a wasteful number, since it uses less digits than its factorization.

265235452550651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46631.

The product of its (nonzero) digits is 54000000, while the sum is 56.

The spelling of 265235452550651 in words is "two hundred sixty-five trillion, two hundred thirty-five billion, four hundred fifty-two million, five hundred fifty thousand, six hundred fifty-one".