1255264105611 has 16 divisors (see below), whose sum is σ = 1755116566560. Its totient is φ = 796917784320.

The previous prime is 1255264105583. The next prime is 1255264105619. The reversal of 1255264105611 is 1165014625521.

It is not a de Polignac number, because 1255264105611 - 2⁶ = 1255264105547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255264105611.

It is not an unprimeable number, because it can be changed into a prime (1255264105619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98817780 + ... + 98830481.

It is an arithmetic number, because the mean of its divisors is an integer number (109694785410).

Almost surely, 2^{1255264105611} is an apocalyptic number.

1255264105611 is a deficient number, since it is larger than the sum of its proper divisors (499852460949).

1255264105611 is a wasteful number, since it uses less digits than its factorization.

1255264105611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197648366.

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 1255264105611 in words is "one trillion, two hundred fifty-five billion, two hundred sixty-four million, one hundred five thousand, six hundred eleven".