108102063491 has 32 divisors (see below), whose sum is σ = 120050810880. Its totient is φ = 96880212000.

The previous prime is 108102063481. The next prime is 108102063497. The reversal of 108102063491 is 194360201801.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108102063491 is a prime.

It is a super-2 number, since 2×108102063491² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108102063497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55407566 + ... + 55409516.

It is an arithmetic number, because the mean of its divisors is an integer number (3751587840).

Almost surely, 2^108102063491 is an apocalyptic number.

108102063491 is a deficient number, since it is larger than the sum of its proper divisors (11948747389).

108102063491 is a wasteful number, since it uses less digits than its factorization.

108102063491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 108102063491 in words is "one hundred eight billion, one hundred two million, sixty-three thousand, four hundred ninety-one".