109547987199 has 32 divisors (see below), whose sum is σ = 177020743680. Its totient is φ = 58826214912.

The previous prime is 109547987077. The next prime is 109547987231. The reversal of 109547987199 is 991789745901.

It is not a de Polignac number, because 109547987199 - 2⁷ = 109547987071 is a prime.

It is a super-2 number, since 2×109547987199² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109547987599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1839 + ... + 468080.

It is an arithmetic number, because the mean of its divisors is an integer number (5531898240).

Almost surely, 2^109547987199 is an apocalyptic number.

109547987199 is a deficient number, since it is larger than the sum of its proper divisors (67472756481).

109547987199 is a wasteful number, since it uses less digits than its factorization.

109547987199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470599.

The product of its (nonzero) digits is 51438240, while the sum is 69.

The spelling of 109547987199 in words is "one hundred nine billion, five hundred forty-seven million, nine hundred eighty-seven thousand, one hundred ninety-nine".