1085998628974 has 24 divisors (see below), whose sum is σ = 1894996986120. Its totient is φ = 465418111536.

The previous prime is 1085998628933. The next prime is 1085998628977. The reversal of 1085998628974 is 4798268995801.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1085998628974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085998628977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6311272 + ... + 6481060.

It is an arithmetic number, because the mean of its divisors is an integer number (78958207755).

Almost surely, 2^{1085998628974} is an apocalyptic number.

1085998628974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1085998628974 is a deficient number, since it is larger than the sum of its proper divisors (808998357146).

1085998628974 is a wasteful number, since it uses less digits than its factorization.

1085998628974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235072 (or 235065 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 76.

The spelling of 1085998628974 in words is "one trillion, eighty-five billion, nine hundred ninety-eight million, six hundred twenty-eight thousand, nine hundred seventy-four".