1255332113 has 4 divisors (see below), whose sum is σ = 1434665280. Its totient is φ = 1075998948.

The previous prime is 1255332097. The next prime is 1255332119. The reversal of 1255332113 is 3112335521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3112335521 = 787 ⋅3954683.

It is a cyclic number.

It is not a de Polignac number, because 1255332113 - 2⁴ = 1255332097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255332119) 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, 89666573 + ... + 89666586.

It is an arithmetic number, because the mean of its divisors is an integer number (358666320).

Almost surely, 2^1255332113 is an apocalyptic number.

It is an amenable number.

1255332113 is a deficient number, since it is larger than the sum of its proper divisors (179333167).

1255332113 is an equidigital number, since it uses as much as digits as its factorization.

1255332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179333166.

The product of its digits is 2700, while the sum is 26.

The square root of 1255332113 is about 35430.6662793688. Note that the first 3 decimals coincide. The cubic root of 1255332113 is about 1078.7468641506.

Adding to 1255332113 its reverse (3112335521), we get a palindrome (4367667634).

The spelling of 1255332113 in words is "one billion, two hundred fifty-five million, three hundred thirty-two thousand, one hundred thirteen".