15700203045 has 24 divisors (see below), whose sum is σ = 27226999800. Its totient is φ = 8369344896.

The previous prime is 15700203037. The next prime is 15700203047. The reversal of 15700203045 is 54030200751.

It is a happy number.

15700203045 is a `hidden beast` number, since 1 + 570 + 0 + 20 + 30 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3210128964 + 12490074081 = 56658^2 + 111759^2 .

It is not a de Polignac number, because 15700203045 - 2³ = 15700203037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15700203047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8791 + ... + 177419.

It is an arithmetic number, because the mean of its divisors is an integer number (1134458325).

Almost surely, 2^15700203045 is an apocalyptic number.

15700203045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15700203045 is a deficient number, since it is larger than the sum of its proper divisors (11526796755).

15700203045 is a wasteful number, since it uses less digits than its factorization.

15700203045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170709 (or 170706 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

Adding to 15700203045 its reverse (54030200751), we get a palindrome (69730403796).

The spelling of 15700203045 in words is "fifteen billion, seven hundred million, two hundred three thousand, forty-five".