1002455421255 has 40 divisors (see below), whose sum is σ = 1891572817200. Its totient is φ = 506503787904.

The previous prime is 1002455421229. The next prime is 1002455421263. The reversal of 1002455421255 is 5521245542001.

1002455421255 is a `hidden beast` number, since 10 + 0 + 2 + 45 + 542 + 12 + 55 = 666.

It is not a de Polignac number, because 1002455421255 - 2⁵ = 1002455421223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65129110 + ... + 65144499.

It is an arithmetic number, because the mean of its divisors is an integer number (47289320430).

Almost surely, 2^{1002455421255} is an apocalyptic number.

1002455421255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1002455421255 is a deficient number, since it is larger than the sum of its proper divisors (889117395945).

1002455421255 is a wasteful number, since it uses less digits than its factorization.

1002455421255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130273645 (or 130273636 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 1002455421255 in words is "one trillion, two billion, four hundred fifty-five million, four hundred twenty-one thousand, two hundred fifty-five".