1015216050645 has 12 divisors (see below), whose sum is σ = 1759707821196. Its totient is φ = 541448560320.

The previous prime is 1015216050617. The next prime is 1015216050703. The reversal of 1015216050645 is 5460506125101.

1015216050645 is a `hidden beast` number, since 1 + 0 + 1 + 5 + 2 + 1 + 6 + 0 + 5 + 0 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 363395569329 + 651820481316 = 602823^2 + 807354^2 .

It is not a de Polignac number, because 1015216050645 - 2⁷ = 1015216050517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11280178296 + ... + 11280178385.

It is an arithmetic number, because the mean of its divisors is an integer number (146642318433).

Almost surely, 2^{1015216050645} is an apocalyptic number.

1015216050645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1015216050645 is a deficient number, since it is larger than the sum of its proper divisors (744491770551).

1015216050645 is a wasteful number, since it uses less digits than its factorization.

1015216050645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22560356692 (or 22560356689 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 1015216050645 in words is "one trillion, fifteen billion, two hundred sixteen million, fifty thousand, six hundred forty-five".