10547081985 has 32 divisors (see below), whose sum is σ = 18423014400. Its totient is φ = 5109969600.

The previous prime is 10547081977. The next prime is 10547082019. The reversal of 10547081985 is 58918074501.

It is a happy number.

It is not a de Polignac number, because 10547081985 - 2³ = 10547081977 is a prime.

It is a super-2 number, since 2×10547081985² (a number of 21 digits) contains 22 as substring.

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, 207990 + ... + 253680.

It is an arithmetic number, because the mean of its divisors is an integer number (575719200).

Almost surely, 2^10547081985 is an apocalyptic number.

10547081985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10547081985 is a deficient number, since it is larger than the sum of its proper divisors (7875932415).

10547081985 is a wasteful number, since it uses less digits than its factorization.

10547081985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47109.

The product of its (nonzero) digits is 403200, while the sum is 48.

The spelling of 10547081985 in words is "ten billion, five hundred forty-seven million, eighty-one thousand, nine hundred eighty-five".