108821767032849 has 64 divisors (see below), whose sum is σ = 167559951621888. Its totient is φ = 62227156992000.

The previous prime is 108821767032833. The next prime is 108821767032911. The reversal of 108821767032849 is 948230767128801.

It is not a de Polignac number, because 108821767032849 - 2⁴ = 108821767032833 is a prime.

It is a super-2 number, since 2×108821767032849² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108821767032849.

It is not an unprimeable number, because it can be changed into a prime (108821762032849) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21336094 + ... + 25939784.

It is an arithmetic number, because the mean of its divisors is an integer number (2618124244092).

Almost surely, 2^{108821767032849} is an apocalyptic number.

It is an amenable number.

108821767032849 is a deficient number, since it is larger than the sum of its proper divisors (58738184589039).

108821767032849 is a wasteful number, since it uses less digits than its factorization.

108821767032849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604178.

The product of its (nonzero) digits is 65028096, while the sum is 66.

The spelling of 108821767032849 in words is "one hundred eight trillion, eight hundred twenty-one billion, seven hundred sixty-seven million, thirty-two thousand, eight hundred forty-nine".