15531741107089 has 9 divisors (see below), whose sum is σ = 15625964602857. Its totient is φ = 15438082457844.

The previous prime is 15531741107063. The next prime is 15531741107167. The reversal of 15531741107089 is 98070114713551.

The square root of 15531741107089 is 3941033.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-15531741107089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15531741107009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 658140712 + ... + 658164310.

Almost surely, 2^{15531741107089} is an apocalyptic number.

15531741107089 is the 3941033-rd square number.

15531741107089 is the 1970517-th centered octagonal number.

It is an amenable number.

15531741107089 is a deficient number, since it is larger than the sum of its proper divisors (94223495768).

15531741107089 is an frugal number, since it uses more digits than its factorization.

15531741107089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47532 (or 23766 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 52.

The spelling of 15531741107089 in words is "fifteen trillion, five hundred thirty-one billion, seven hundred forty-one million, one hundred seven thousand, eighty-nine".