118790107642 has 4 divisors (see below), whose sum is σ = 178185161466. Its totient is φ = 59395053820.

The previous prime is 118790107607. The next prime is 118790107643. The reversal of 118790107642 is 246701097811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73327765681 + 45462341961 = 270791^2 + 213219^2 .

It is a super-2 number, since 2×118790107642² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118790107592 and 118790107601.

It is not an unprimeable number, because it can be changed into a prime (118790107643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29697526909 + ... + 29697526912.

Almost surely, 2^118790107642 is an apocalyptic number.

118790107642 is a deficient number, since it is larger than the sum of its proper divisors (59395053824).

118790107642 is an equidigital number, since it uses as much as digits as its factorization.

118790107642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59395053823.

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 118790107642 in words is "one hundred eighteen billion, seven hundred ninety million, one hundred seven thousand, six hundred forty-two".