109797959140 has 12 divisors (see below), whose sum is σ = 230575714236. Its totient is φ = 43919183648.

The previous prime is 109797959099. The next prime is 109797959149. The reversal of 109797959140 is 41959797901.

It can be written as a sum of positive squares in 2 ways, for example, as 77708252644 + 32089706496 = 278762^2 + 179136^2 .

It is not an unprimeable number, because it can be changed into a prime (109797959149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2744948959 + ... + 2744948998.

It is an arithmetic number, because the mean of its divisors is an integer number (19214642853).

Almost surely, 2^109797959140 is an apocalyptic number.

109797959140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109797959140 is an abundant number, since it is smaller than the sum of its proper divisors (120777755096).

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

109797959140 is a wasteful number, since it uses less digits than its factorization.

109797959140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489897966 (or 5489897964 counting only the distinct ones).

The product of its (nonzero) digits is 6429780, while the sum is 61.

The spelling of 109797959140 in words is "one hundred nine billion, seven hundred ninety-seven million, nine hundred fifty-nine thousand, one hundred forty".