2256119987 has 8 divisors (see below), whose sum is σ = 2476900272. Its totient is φ = 2037952800.

The previous prime is 2256119977. The next prime is 2256120017. The reversal of 2256119987 is 7899116522.

2256119987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2256119987 - 2⁸ = 2256119731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2256119977) 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, 651464 + ... + 654917.

It is an arithmetic number, because the mean of its divisors is an integer number (309612534).

Almost surely, 2^2256119987 is an apocalyptic number.

2256119987 is a deficient number, since it is larger than the sum of its proper divisors (220780285).

2256119987 is a wasteful number, since it uses less digits than its factorization.

2256119987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306549.

The product of its digits is 544320, while the sum is 50.

The square root of 2256119987 is about 47498.6314223894. The cubic root of 2256119987 is about 1311.5576884592.

The spelling of 2256119987 in words is "two billion, two hundred fifty-six million, one hundred nineteen thousand, nine hundred eighty-seven".