83581111014 has 32 divisors (see below), whose sum is σ = 177973207776. Its totient is φ = 26076648960.

The previous prime is 83581111007. The next prime is 83581111021. The reversal of 83581111014 is 41011118538.

It is an interprime number because it is at equal distance from previous prime (83581111007) and next prime (83581111021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245137 + ... + 2282060.

It is an arithmetic number, because the mean of its divisors is an integer number (5561662743).

Almost surely, 2^83581111014 is an apocalyptic number.

83581111014 is an abundant number, since it is smaller than the sum of its proper divisors (94392096762).

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

83581111014 is a wasteful number, since it uses less digits than its factorization.

83581111014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527400.

The product of its (nonzero) digits is 3840, while the sum is 33.

The spelling of 83581111014 in words is "eighty-three billion, five hundred eighty-one million, one hundred eleven thousand, fourteen".