1128358835990 has 16 divisors (see below), whose sum is σ = 2031550334352. Its totient is φ = 451231438944.

The previous prime is 1128358835909. The next prime is 1128358836001. The reversal of 1128358835990 is 995388538211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13969649 + ... + 14050188.

It is an arithmetic number, because the mean of its divisors is an integer number (126971895897).

Almost surely, 2^{1128358835990} is an apocalyptic number.

1128358835990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128358835990 is a deficient number, since it is larger than the sum of its proper divisors (903191498362).

1128358835990 is a wasteful number, since it uses less digits than its factorization.

1128358835990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28023871.

The product of its (nonzero) digits is 18662400, while the sum is 62.

The spelling of 1128358835990 in words is "one trillion, one hundred twenty-eight billion, three hundred fifty-eight million, eight hundred thirty-five thousand, nine hundred ninety".