6112391478 has 32 divisors (see below), whose sum is σ = 12372082560. Its totient is φ = 2013016320.

The previous prime is 6112391471. The next prime is 6112391503. The reversal of 6112391478 is 8741932116.

It is a happy number.

It is a super-2 number, since 2×6112391478² = 74722659160654048968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6112391471) 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, 230758 + ... + 255878.

It is an arithmetic number, because the mean of its divisors is an integer number (386627580).

Almost surely, 2^6112391478 is an apocalyptic number.

6112391478 is an abundant number, since it is smaller than the sum of its proper divisors (6259691082).

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

6112391478 is a wasteful number, since it uses less digits than its factorization.

6112391478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25612.

The product of its digits is 72576, while the sum is 42.

The square root of 6112391478 is about 78181.7848222973. The cubic root of 6112391478 is about 1828.3965248893.

The spelling of 6112391478 in words is "six billion, one hundred twelve million, three hundred ninety-one thousand, four hundred seventy-eight".