1071078958998 has 32 divisors (see below), whose sum is σ = 2381319479520. Its totient is φ = 356854717440.

The previous prime is 1071078958981. The next prime is 1071078959017. The reversal of 1071078958998 is 8998598701701.

It is a super-2 number, since 2×1071078958998² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 4653315 + ... + 4878062.

It is an arithmetic number, because the mean of its divisors is an integer number (74416233735).

Almost surely, 2^{1071078958998} is an apocalyptic number.

1071078958998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1071078958998 is an abundant number, since it is smaller than the sum of its proper divisors (1310240520522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1071078958998 is a wasteful number, since it uses less digits than its factorization.

1071078958998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533469 (or 9533463 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 72.

The spelling of 1071078958998 in words is "one trillion, seventy-one billion, seventy-eight million, nine hundred fifty-eight thousand, nine hundred ninety-eight".