1083936851538 has 8 divisors (see below), whose sum is σ = 2167873703088. Its totient is φ = 361312283844.

The previous prime is 1083936851527. The next prime is 1083936851579. The reversal of 1083936851538 is 8351586393801.

It is a sphenic number, since it is the product of 3 distinct primes.

1083936851538 is an admirable number.

It is a super-2 number, since 2×1083936851538² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90328070956 + ... + 90328070967.

It is an arithmetic number, because the mean of its divisors is an integer number (270984212886).

Almost surely, 2^{1083936851538} is an apocalyptic number.

1083936851538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1083936851538 is a wasteful number, since it uses less digits than its factorization.

1083936851538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180656141928.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 1083936851538 in words is "one trillion, eighty-three billion, nine hundred thirty-six million, eight hundred fifty-one thousand, five hundred thirty-eight".