118202447961 has 72 divisors (see below), whose sum is σ = 192429278496. Its totient is φ = 72474030720.

The previous prime is 118202447933. The next prime is 118202447963. The reversal of 118202447961 is 169744202811.

118202447961 is a `hidden beast` number, since 118 + 2 + 0 + 2 + 4 + 479 + 61 = 666.

It is not a de Polignac number, because 118202447961 - 2¹⁴ = 118202431577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118202447963) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11534706 + ... + 11544948.

It is an arithmetic number, because the mean of its divisors is an integer number (2672628868).

Almost surely, 2^118202447961 is an apocalyptic number.

It is an amenable number.

118202447961 is a deficient number, since it is larger than the sum of its proper divisors (74226830535).

118202447961 is a wasteful number, since it uses less digits than its factorization.

118202447961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565 (or 10540 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 118202447961 in words is "one hundred eighteen billion, two hundred two million, four hundred forty-seven thousand, nine hundred sixty-one".