4145215525015 has 8 divisors (see below), whose sum is σ = 4985589517920. Its totient is φ = 3308618494752.

The previous prime is 4145215524977. The next prime is 4145215525037. The reversal of 4145215525015 is 5105255125414.

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 4145215525015 - 2³¹ = 4143068041367 is a prime.

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, 944238244 + ... + 944242633.

It is an arithmetic number, because the mean of its divisors is an integer number (623198689740).

Almost surely, 2^{4145215525015} is an apocalyptic number.

4145215525015 is a deficient number, since it is larger than the sum of its proper divisors (840373992905).

4145215525015 is a wasteful number, since it uses less digits than its factorization.

4145215525015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888481321.

The product of its (nonzero) digits is 200000, while the sum is 40.

The spelling of 4145215525015 in words is "four trillion, one hundred forty-five billion, two hundred fifteen million, five hundred twenty-five thousand, fifteen".