118061503947 has 24 divisors (see below), whose sum is σ = 177433542000. Its totient is φ = 75554313408.

The previous prime is 118061503939. The next prime is 118061503969. The reversal of 118061503947 is 749305160811.

118061503947 is a `hidden beast` number, since 1 + 1 + 80 + 61 + 503 + 9 + 4 + 7 = 666.

It is not a de Polignac number, because 118061503947 - 2³ = 118061503939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118061503247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1262197 + ... + 1352502.

It is an arithmetic number, because the mean of its divisors is an integer number (7393064250).

Almost surely, 2^118061503947 is an apocalyptic number.

118061503947 is a deficient number, since it is larger than the sum of its proper divisors (59372038053).

118061503947 is a wasteful number, since it uses less digits than its factorization.

118061503947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614907 (or 2614904 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 118061503947 in words is "one hundred eighteen billion, sixty-one million, five hundred three thousand, nine hundred forty-seven".