1002047255081 has 16 divisors (see below), whose sum is σ = 1022789459328. Its totient is φ = 981528537600.

The previous prime is 1002047255063. The next prime is 1002047255113. The reversal of 1002047255081 is 1805527402001.

It is a cyclic number.

It is not a de Polignac number, because 1002047255081 - 2⁶ = 1002047255017 is a prime.

It is a super-2 number, since 2×1002047255081² (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 (1002047255381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18066011 + ... + 18121391.

It is an arithmetic number, because the mean of its divisors is an integer number (63924341208).

Almost surely, 2^{1002047255081} is an apocalyptic number.

It is an amenable number.

1002047255081 is a deficient number, since it is larger than the sum of its proper divisors (20742204247).

1002047255081 is a wasteful number, since it uses less digits than its factorization.

1002047255081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57392.

The product of its (nonzero) digits is 22400, while the sum is 35.

The spelling of 1002047255081 in words is "one trillion, two billion, forty-seven million, two hundred fifty-five thousand, eighty-one".