1255502881 has 8 divisors (see below), whose sum is σ = 1324421280. Its totient is φ = 1186868448.

The previous prime is 1255502879. The next prime is 1255502891. The reversal of 1255502881 is 1882055521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255502881 - 2¹ = 1255502879 is a prime.

It is a super-2 number, since 2×1255502881² = 3152574968398600322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1255502881.

It is not an unprimeable number, because it can be changed into a prime (1255502851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61876 + ... + 79621.

It is an arithmetic number, because the mean of its divisors is an integer number (165552660).

Almost surely, 2^1255502881 is an apocalyptic number.

It is an amenable number.

1255502881 is a deficient number, since it is larger than the sum of its proper divisors (68918399).

1255502881 is a wasteful number, since it uses less digits than its factorization.

1255502881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141983.

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 1255502881 is about 35433.0760871816. The cubic root of 1255502881 is about 1078.7957773930.

The spelling of 1255502881 in words is "one billion, two hundred fifty-five million, five hundred two thousand, eight hundred eighty-one".