1172765490078 has 64 divisors (see below), whose sum is σ = 2926352765952. Its totient is φ = 305063781120.

The previous prime is 1172765490059. The next prime is 1172765490167. The reversal of 1172765490078 is 8700945672711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14671938 + ... + 14751653.

It is an arithmetic number, because the mean of its divisors is an integer number (45724261968).

Almost surely, 2^{1172765490078} is an apocalyptic number.

1172765490078 is an abundant number, since it is smaller than the sum of its proper divisors (1753587275874).

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

1172765490078 is a wasteful number, since it uses less digits than its factorization.

1172765490078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29423689.

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 1172765490078 in words is "one trillion, one hundred seventy-two billion, seven hundred sixty-five million, four hundred ninety thousand, seventy-eight".