117742245046 has 4 divisors (see below), whose sum is σ = 176613367572. Its totient is φ = 58871122522.

The previous prime is 117742245041. The next prime is 117742245053. The reversal of 117742245046 is 640542247711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640542247711 = 53 ⋅12085702787.

It is a junction number, because it is equal to n+sod(n) for n = 117742244993 and 117742245011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117742245041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29435561260 + ... + 29435561263.

It is an arithmetic number, because the mean of its divisors is an integer number (44153341893).

Almost surely, 2^117742245046 is an apocalyptic number.

117742245046 is a deficient number, since it is larger than the sum of its proper divisors (58871122526).

117742245046 is an equidigital number, since it uses as much as digits as its factorization.

117742245046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58871122525.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 117742245046 in words is "one hundred seventeen billion, seven hundred forty-two million, two hundred forty-five thousand, forty-six".