15730078651573 has 12 divisors (see below), whose sum is σ = 18620093103724. Its totient is φ = 13200066000000.

The previous prime is 15730078651523. The next prime is 15730078651577. The reversal of 15730078651573 is 37515687003751.

It can be written as a sum of positive squares in 2 ways, for example, as 10817303927089 + 4912774724484 = 3288967^2 + 2216478^2 .

It is not a de Polignac number, because 15730078651573 - 2²⁹ = 15729541780661 is a prime.

It is a super-3 number, since 3×15730078651573³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15730078651577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5000023428 + ... + 5000026573.

Almost surely, 2^{15730078651573} is an apocalyptic number.

15730078651573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15730078651573 is a deficient number, since it is larger than the sum of its proper divisors (2890014452151).

15730078651573 is a wasteful number, since it uses less digits than its factorization.

15730078651573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000050036 (or 10000050025 counting only the distinct ones).

The product of its (nonzero) digits is 18522000, while the sum is 58.

The spelling of 15730078651573 in words is "fifteen trillion, seven hundred thirty billion, seventy-eight million, six hundred fifty-one thousand, five hundred seventy-three".