1178651965242 has 8 divisors (see below), whose sum is σ = 2357303930496. Its totient is φ = 392883988412.

The previous prime is 1178651965219. The next prime is 1178651965273. The reversal of 1178651965242 is 2425691568711.

It is a sphenic number, since it is the product of 3 distinct primes.

1178651965242 is an admirable number.

It is a super-2 number, since 2×1178651965242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98220997098 + ... + 98220997109.

It is an arithmetic number, because the mean of its divisors is an integer number (294662991312).

Almost surely, 2^{1178651965242} is an apocalyptic number.

1178651965242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1178651965242 is a wasteful number, since it uses less digits than its factorization.

1178651965242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196441994212.

The product of its digits is 7257600, while the sum is 57.

The spelling of 1178651965242 in words is "one trillion, one hundred seventy-eight billion, six hundred fifty-one million, nine hundred sixty-five thousand, two hundred forty-two".