1167780425 has 12 divisors (see below), whose sum is σ = 1654911936. Its totient is φ = 800763600.

The previous prime is 1167780407. The next prime is 1167780437. The reversal of 1167780425 is 5240877611.

It is not a de Polignac number, because 1167780425 - 2⁸ = 1167780169 is a prime.

It is a super-2 number, since 2×1167780425² = 2727422242026361250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3336341 + ... + 3336690.

It is an arithmetic number, because the mean of its divisors is an integer number (137909328).

Almost surely, 2^1167780425 is an apocalyptic number.

It is an amenable number.

1167780425 is a deficient number, since it is larger than the sum of its proper divisors (487131511).

1167780425 is an equidigital number, since it uses as much as digits as its factorization.

1167780425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673048 (or 6673043 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 1167780425 is about 34172.8024165417. The cubic root of 1167780425 is about 1053.0614882143.

The spelling of 1167780425 in words is "one billion, one hundred sixty-seven million, seven hundred eighty thousand, four hundred twenty-five".