1515150013765 has 16 divisors (see below), whose sum is σ = 1897264425600. Its totient is φ = 1159398910912.

The previous prime is 1515150013739. The next prime is 1515150013781. The reversal of 1515150013765 is 5673100515151.

It is a cyclic number.

It is not a de Polignac number, because 1515150013765 - 2²⁵ = 1515116459333 is a prime.

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, 12459426 + ... + 12580444.

It is an arithmetic number, because the mean of its divisors is an integer number (118579026600).

Almost surely, 2^{1515150013765} is an apocalyptic number.

It is an amenable number.

1515150013765 is a deficient number, since it is larger than the sum of its proper divisors (382114411835).

1515150013765 is a wasteful number, since it uses less digits than its factorization.

1515150013765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229916.

The product of its (nonzero) digits is 78750, while the sum is 40.

The spelling of 1515150013765 in words is "one trillion, five hundred fifteen billion, one hundred fifty million, thirteen thousand, seven hundred sixty-five".