6115278457 has 8 divisors (see below), whose sum is σ = 6319037952. Its totient is φ = 5911924800.

The previous prime is 6115278443. The next prime is 6115278467. The reversal of 6115278457 is 7548725116.

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

It is a cyclic number.

It is not a de Polignac number, because 6115278457 - 2⁷ = 6115278329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6115278467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70669 + ... + 131242.

It is an arithmetic number, because the mean of its divisors is an integer number (789879744).

Almost surely, 2^6115278457 is an apocalyptic number.

It is an amenable number.

6115278457 is a deficient number, since it is larger than the sum of its proper divisors (203759495).

6115278457 is a wasteful number, since it uses less digits than its factorization.

6115278457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202919.

The product of its digits is 470400, while the sum is 46.

The square root of 6115278457 is about 78200.2458883602. The cubic root of 6115278457 is about 1828.6843397630.

The spelling of 6115278457 in words is "six billion, one hundred fifteen million, two hundred seventy-eight thousand, four hundred fifty-seven".