109143354155050 has 24 divisors (see below), whose sum is σ = 204488439023916. Its totient is φ = 43338674931840.

The previous prime is 109143354155041. The next prime is 109143354155057. The reversal of 109143354155050 is 50551453341901.

It can be written as a sum of positive squares in 6 ways, for example, as 55888198657281 + 53255155497769 = 7475841^2 + 7297613^2 .

It is not an unprimeable number, because it can be changed into a prime (109143354155057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7966661337 + ... + 7966675036.

Almost surely, 2^{109143354155050} is an apocalyptic number.

109143354155050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109143354155050 is a deficient number, since it is larger than the sum of its proper divisors (95345084868866).

109143354155050 is a wasteful number, since it uses less digits than its factorization.

109143354155050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15933336522 (or 15933336517 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 109143354155050 in words is "one hundred nine trillion, one hundred forty-three billion, three hundred fifty-four million, one hundred fifty-five thousand, fifty".