109154496780 has 672 divisors, whose sum is σ = 405750280320. Its totient is φ = 24141680640.

The previous prime is 109154496779. The next prime is 109154496793. The reversal of 109154496780 is 87694451901.

109154496780 is a `hidden beast` number, since 1 + 0 + 9 + 1 + 544 + 96 + 7 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 223 ways as a sum of consecutive naturals, for example, 554083642 + ... + 554083838.

It is an arithmetic number, because the mean of its divisors is an integer number (603795060).

Almost surely, 2^109154496780 is an apocalyptic number.

109154496780 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 109154496780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202875140160).

109154496780 is an abundant number, since it is smaller than the sum of its proper divisors (296595783540).

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

109154496780 is a wasteful number, since it uses less digits than its factorization.

109154496780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 109154496780 in words is "one hundred nine billion, one hundred fifty-four million, four hundred ninety-six thousand, seven hundred eighty".