4256635406015 has 8 divisors (see below), whose sum is σ = 5177934576528. Its totient is φ = 3358660265280.

The previous prime is 4256635405987. The next prime is 4256635406033. The reversal of 4256635406015 is 5106045366524.

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

It is not a de Polignac number, because 4256635406015 - 2⁶ = 4256635405951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5831007041 + ... + 5831007770.

It is an arithmetic number, because the mean of its divisors is an integer number (647241822066).

Almost surely, 2^{4256635406015} is an apocalyptic number.

4256635406015 is a deficient number, since it is larger than the sum of its proper divisors (921299170513).

4256635406015 is a wasteful number, since it uses less digits than its factorization.

4256635406015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11662014889.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 4256635406015 in words is "four trillion, two hundred fifty-six billion, six hundred thirty-five million, four hundred six thousand, fifteen".