109014778152 has 128 divisors (see below), whose sum is σ = 347991571200. Its totient is φ = 30974918400.

The previous prime is 109014778151. The next prime is 109014778183. The reversal of 109014778152 is 251877410901.

It is a happy number.

109014778152 is a `hidden beast` number, since 10 + 90 + 1 + 477 + 81 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 109014778098 and 109014778107.

It is not an unprimeable number, because it can be changed into a prime (109014778151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74502 + ... + 472842.

It is an arithmetic number, because the mean of its divisors is an integer number (2718684150).

Almost surely, 2^109014778152 is an apocalyptic number.

109014778152 is a gapful number since it is divisible by the number (12) 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 109014778152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173995785600).

109014778152 is an abundant number, since it is smaller than the sum of its proper divisors (238976793048).

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

109014778152 is a wasteful number, since it uses less digits than its factorization.

109014778152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398544 (or 398534 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 109014778152 in words is "one hundred nine billion, fourteen million, seven hundred seventy-eight thousand, one hundred fifty-two".