1206515515015 has 8 divisors (see below), whose sum is σ = 1510767253728. Its totient is φ = 923246654880.

The previous prime is 1206515514991. The next prime is 1206515515087. The reversal of 1206515515015 is 5105155156021.

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

It is not a de Polignac number, because 1206515515015 - 2⁵ = 1206515514983 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, 5245719516 + ... + 5245719745.

It is an arithmetic number, because the mean of its divisors is an integer number (188845906716).

Almost surely, 2^{1206515515015} is an apocalyptic number.

1206515515015 is a deficient number, since it is larger than the sum of its proper divisors (304251738713).

1206515515015 is a wasteful number, since it uses less digits than its factorization.

1206515515015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491439289.

The product of its (nonzero) digits is 37500, while the sum is 37.

The spelling of 1206515515015 in words is "one trillion, two hundred six billion, five hundred fifteen million, five hundred fifteen thousand, fifteen".