15149331061093 has 4 divisors (see below), whose sum is σ = 15149355770668. Its totient is φ = 15149306351520.

The previous prime is 15149331061087. The next prime is 15149331061103. The reversal of 15149331061093 is 39016013394151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12704042018529 + 2445289042564 = 3564273^2 + 1563742^2 .

It is a cyclic number.

It is not a de Polignac number, because 15149331061093 - 2⁵ = 15149331061061 is a prime.

It is a super-2 number, since 2×15149331061093² (a number of 27 digits) contains 22 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 (15149331065093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11411118 + ... + 12669343.

It is an arithmetic number, because the mean of its divisors is an integer number (3787338942667).

Almost surely, 2^{15149331061093} is an apocalyptic number.

It is an amenable number.

15149331061093 is a deficient number, since it is larger than the sum of its proper divisors (24709575).

15149331061093 is an equidigital number, since it uses as much as digits as its factorization.

15149331061093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24709574.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 15149331061093 in words is "fifteen trillion, one hundred forty-nine billion, three hundred thirty-one million, sixty-one thousand, ninety-three".