1085424719625 has 24 divisors (see below), whose sum is σ = 1956658963272. Its totient is φ = 578893183200.

The previous prime is 1085424719593. The next prime is 1085424719693. The reversal of 1085424719625 is 5269174245801.

1085424719625 is a `hidden beast` number, since 1 + 0 + 8 + 5 + 4 + 2 + 4 + 7 + 1 + 9 + 625 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 287913024 + 1085136806601 = 16968^2 + 1041699^2 .

It is not a de Polignac number, because 1085424719625 - 2⁵ = 1085424719593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 482409862 + ... + 482412111.

It is an arithmetic number, because the mean of its divisors is an integer number (81527456803).

Almost surely, 2^{1085424719625} is an apocalyptic number.

1085424719625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1085424719625 is a deficient number, since it is larger than the sum of its proper divisors (871234243647).

1085424719625 is an equidigital number, since it uses as much as digits as its factorization.

1085424719625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964821994 (or 964821981 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 1085424719625 in words is "one trillion, eighty-five billion, four hundred twenty-four million, seven hundred nineteen thousand, six hundred twenty-five".