1178255500782 has 32 divisors (see below), whose sum is σ = 2482841507328. Its totient is φ = 372028325856.

The previous prime is 1178255500699. The next prime is 1178255500787. The reversal of 1178255500782 is 2870055528711.

It is a super-2 number, since 2×1178255500782² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178255500787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41432793 + ... + 41461220.

It is an arithmetic number, because the mean of its divisors is an integer number (77588797104).

Almost surely, 2^{1178255500782} is an apocalyptic number.

1178255500782 is an abundant number, since it is smaller than the sum of its proper divisors (1304586006546).

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

1178255500782 is a wasteful number, since it uses less digits than its factorization.

1178255500782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82894144.

The product of its (nonzero) digits is 1568000, while the sum is 51.

The spelling of 1178255500782 in words is "one trillion, one hundred seventy-eight billion, two hundred fifty-five million, five hundred thousand, seven hundred eighty-two".