1255506032611 has 4 divisors (see below), whose sum is σ = 1257035273424. Its totient is φ = 1253976791800.

The previous prime is 1255506032597. The next prime is 1255506032647. The reversal of 1255506032611 is 1162306055521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1255506032611 - 2¹¹ = 1255506030563 is a prime.

It is a super-2 number, since 2×1255506032611² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255506062611) 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, 764619175 + ... + 764620816.

It is an arithmetic number, because the mean of its divisors is an integer number (314258818356).

Almost surely, 2^{1255506032611} is an apocalyptic number.

1255506032611 is a deficient number, since it is larger than the sum of its proper divisors (1529240813).

1255506032611 is an equidigital number, since it uses as much as digits as its factorization.

1255506032611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529240812.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1255506032611 in words is "one trillion, two hundred fifty-five billion, five hundred six million, thirty-two thousand, six hundred eleven".