109087520656 has 15 divisors (see below), whose sum is σ = 211359631003. Its totient is φ = 54543099760.

The previous prime is 109087520623. The next prime is 109087520701. The reversal of 109087520656 is 656025780901.

The square root of 109087520656 is 330284.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1279851 + ... + 1362421.

Almost surely, 2^109087520656 is an apocalyptic number.

109087520656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

109087520656 is the 330284-th square number.

It is an amenable number.

109087520656 is a deficient number, since it is larger than the sum of its proper divisors (102272110347).

109087520656 is an frugal number, since it uses more digits than its factorization.

109087520656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165150 (or 82573 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

Multiplying 109087520656 by its sum of digits (49), we get a square (5345288512144 = 2311988²).

The spelling of 109087520656 in words is "one hundred nine billion, eighty-seven million, five hundred twenty thousand, six hundred fifty-six".