4015115421015 has 16 divisors (see below), whose sum is σ = 6580872105696. Its totient is φ = 2089165747200.

The previous prime is 4015115420989. The next prime is 4015115421029. The reversal of 4015115421015 is 5101245115104.

It is not a de Polignac number, because 4015115421015 - 2⁵ = 4015115420983 is a prime.

It is a super-2 number, since 2×4015115421015² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3264320866 + ... + 3264322095.

It is an arithmetic number, because the mean of its divisors is an integer number (411304506606).

Almost surely, 2^{4015115421015} is an apocalyptic number.

4015115421015 is a deficient number, since it is larger than the sum of its proper divisors (2565756684681).

4015115421015 is a wasteful number, since it uses less digits than its factorization.

4015115421015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528643010.

The product of its (nonzero) digits is 4000, while the sum is 30.

The spelling of 4015115421015 in words is "four trillion, fifteen billion, one hundred fifteen million, four hundred twenty-one thousand, fifteen".