109017861120 has 1320 divisors, whose sum is σ = 483001538976. Its totient is φ = 22953590784.

The previous prime is 109017861091. The next prime is 109017861157. The reversal of 109017861120 is 21168710901.

109017861120 is a `hidden beast` number, since 1 + 0 + 9 + 0 + 17 + 8 + 611 + 20 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2319528937 + ... + 2319528983.

Almost surely, 2^109017861120 is an apocalyptic number.

109017861120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109017861120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241500769488).

109017861120 is an abundant number, since it is smaller than the sum of its proper divisors (373983677856).

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

109017861120 is an equidigital number, since it uses as much as digits as its factorization.

109017861120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The spelling of 109017861120 in words is "one hundred nine billion, seventeen million, eight hundred sixty-one thousand, one hundred twenty".