109003412542 has 4 divisors (see below), whose sum is σ = 163505118816. Its totient is φ = 54501706270.

The previous prime is 109003412513. The next prime is 109003412563. The reversal of 109003412542 is 245214300901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245214300901 = 239 ⋅1026001259.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27250853134 + ... + 27250853137.

It is an arithmetic number, because the mean of its divisors is an integer number (40876279704).

Almost surely, 2^109003412542 is an apocalyptic number.

109003412542 is a deficient number, since it is larger than the sum of its proper divisors (54501706274).

109003412542 is an equidigital number, since it uses as much as digits as its factorization.

109003412542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54501706273.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 109003412542 in words is "one hundred nine billion, three million, four hundred twelve thousand, five hundred forty-two".