264043141555 has 4 divisors (see below), whose sum is σ = 316851769872. Its totient is φ = 211234513240.

The previous prime is 264043141447. The next prime is 264043141559. The reversal of 264043141555 is 555141340462.

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

It is not a de Polignac number, because 264043141555 - 2²¹ = 264041044403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264043141559) 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, 26404314151 + ... + 26404314160.

It is an arithmetic number, because the mean of its divisors is an integer number (79212942468).

Almost surely, 2^264043141555 is an apocalyptic number.

264043141555 is a deficient number, since it is larger than the sum of its proper divisors (52808628317).

264043141555 is an equidigital number, since it uses as much as digits as its factorization.

264043141555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52808628316.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 264043141555 in words is "two hundred sixty-four billion, forty-three million, one hundred forty-one thousand, five hundred fifty-five".