1025303980905 has 32 divisors (see below), whose sum is σ = 1823052153600. Its totient is φ = 546741933696.

The previous prime is 1025303980871. The next prime is 1025303980927. The reversal of 1025303980905 is 5090893035201.

1025303980905 is a `hidden beast` number, since 1 + 0 + 2 + 530 + 39 + 80 + 9 + 0 + 5 = 666.

It is not a de Polignac number, because 1025303980905 - 2⁷ = 1025303980777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254412 + ... + 1454418.

It is an arithmetic number, because the mean of its divisors is an integer number (56970379800).

Almost surely, 2^{1025303980905} is an apocalyptic number.

1025303980905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025303980905 is a deficient number, since it is larger than the sum of its proper divisors (797748172695).

1025303980905 is a wasteful number, since it uses less digits than its factorization.

1025303980905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206350 (or 1206344 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 1025303980905 in words is "one trillion, twenty-five billion, three hundred three million, nine hundred eighty thousand, nine hundred five".