15015056061613 has 8 divisors (see below), whose sum is σ = 15129447988032. Its totient is φ = 14900955580896.

The previous prime is 15015056061611. The next prime is 15015056061631. The reversal of 15015056061613 is 31616065051051.

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 15015056061613 - 2¹ = 15015056061611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15015056061611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72757995 + ... + 72964072.

It is an arithmetic number, because the mean of its divisors is an integer number (1891180998504).

Almost surely, 2^{15015056061613} is an apocalyptic number.

It is an amenable number.

15015056061613 is a deficient number, since it is larger than the sum of its proper divisors (114391926419).

15015056061613 is a wasteful number, since it uses less digits than its factorization.

15015056061613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145722851.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 15015056061613 in words is "fifteen trillion, fifteen billion, fifty-six million, sixty-one thousand, six hundred thirteen".