1002555113 has 8 divisors (see below), whose sum is σ = 1145999232. Its totient is φ = 859166496.

The previous prime is 1002555107. The next prime is 1002555131. The reversal of 1002555113 is 3115552001.

It is a happy number.

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 1002555113 - 2²² = 998360809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1002555173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37556 + ... + 58442.

It is an arithmetic number, because the mean of its divisors is an integer number (143249904).

Almost surely, 2^1002555113 is an apocalyptic number.

It is an amenable number.

1002555113 is a deficient number, since it is larger than the sum of its proper divisors (143444119).

1002555113 is an equidigital number, since it uses as much as digits as its factorization.

1002555113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27751.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1002555113 is about 31663.1507118290. The cubic root of 1002555113 is about 1000.8509799610.

The spelling of 1002555113 in words is "one billion, two million, five hundred fifty-five thousand, one hundred thirteen".