264891215355 has 32 divisors (see below), whose sum is σ = 458337761280. Its totient is φ = 129862320000.

The previous prime is 264891215341. The next prime is 264891215357. The reversal of 264891215355 is 553512198462.

It is a happy number.

It is not a de Polignac number, because 264891215355 - 2⁶ = 264891215291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264891215298 and 264891215307.

It is not an unprimeable number, because it can be changed into a prime (264891215357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2795271 + ... + 2888480.

It is an arithmetic number, because the mean of its divisors is an integer number (14323055040).

Almost surely, 2^264891215355 is an apocalyptic number.

264891215355 is a deficient number, since it is larger than the sum of its proper divisors (193446545925).

264891215355 is a wasteful number, since it uses less digits than its factorization.

264891215355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684011.

The product of its digits is 2592000, while the sum is 51.

The spelling of 264891215355 in words is "two hundred sixty-four billion, eight hundred ninety-one million, two hundred fifteen thousand, three hundred fifty-five".