15730000001573 has 48 divisors (see below), whose sum is σ = 18810339613296. Its totient is φ = 13065148800000.

The previous prime is 15730000001531. The next prime is 15730000001593. The reversal of 15730000001573 is 37510000003751.

It can be written as a sum of positive squares in 8 ways, for example, as 109933359844 + 15620066641729 = 331562^2 + 3952223^2 .

It is not a de Polignac number, because 15730000001573 - 2⁶ = 15730000001509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15730000001593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 562555313 + ... + 562583273.

It is an arithmetic number, because the mean of its divisors is an integer number (391882075277).

Almost surely, 2^{15730000001573} is an apocalyptic number.

15730000001573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15730000001573 is a deficient number, since it is larger than the sum of its proper divisors (3080339611723).

15730000001573 is a wasteful number, since it uses less digits than its factorization.

15730000001573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31638 (or 31627 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 32.

It can be divided in two parts, 1573000000 and 1573, that multiplied together give a square (2474329000000 = 1573000²).

The spelling of 15730000001573 in words is "fifteen trillion, seven hundred thirty billion, one thousand, five hundred seventy-three".