109007755551 has 6 divisors (see below), whose sum is σ = 157455646920. Its totient is φ = 72671837028.

The previous prime is 109007755547. The next prime is 109007755573. The reversal of 109007755551 is 155557700901.

109007755551 is a `hidden beast` number, since 1 + 0 + 90 + 0 + 7 + 7 + 5 + 5 + 551 = 666.

It is not a de Polignac number, because 109007755551 - 2² = 109007755547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109007755497 and 109007755506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109007755531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6055986411 + ... + 6055986428.

It is an arithmetic number, because the mean of its divisors is an integer number (26242607820).

Almost surely, 2^109007755551 is an apocalyptic number.

109007755551 is a deficient number, since it is larger than the sum of its proper divisors (48447891369).

109007755551 is a wasteful number, since it uses less digits than its factorization.

109007755551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111972845 (or 12111972842 counting only the distinct ones).

The product of its (nonzero) digits is 275625, while the sum is 45.

The spelling of 109007755551 in words is "one hundred nine billion, seven million, seven hundred fifty-five thousand, five hundred fifty-one".