1083850038521 has 2 divisors, whose sum is σ = 1083850038522. Its totient is φ = 1083850038520.

The previous prime is 1083850038487. The next prime is 1083850038529. The reversal of 1083850038521 is 1258300583801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989348515600 + 94501522921 = 994660^2 + 307411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1083850038521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1083850038529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541925019260 + 541925019261.

It is an arithmetic number, because the mean of its divisors is an integer number (541925019261).

Almost surely, 2^{1083850038521} is an apocalyptic number.

It is an amenable number.

1083850038521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083850038521 is an equidigital number, since it uses as much as digits as its factorization.

1083850038521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 1083850038521 in words is "one trillion, eighty-three billion, eight hundred fifty million, thirty-eight thousand, five hundred twenty-one".