15313142421061 has 4 divisors (see below), whose sum is σ = 15313172425452. Its totient is φ = 15313112416672.

The previous prime is 15313142421043. The next prime is 15313142421121. The reversal of 15313142421061 is 16012424131351.

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 11482569296836 + 3830573124225 = 3388594^2 + 1957185^2 .

It is a cyclic number.

It is not a de Polignac number, because 15313142421061 - 2⁹ = 15313142420549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15313142421461) 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, 14223166 + ... + 15261871.

It is an arithmetic number, because the mean of its divisors is an integer number (3828293106363).

Almost surely, 2^{15313142421061} is an apocalyptic number.

It is an amenable number.

15313142421061 is a deficient number, since it is larger than the sum of its proper divisors (30004391).

15313142421061 is an equidigital number, since it uses as much as digits as its factorization.

15313142421061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30004390.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 15313142421061 in words is "fifteen trillion, three hundred thirteen billion, one hundred forty-two million, four hundred twenty-one thousand, sixty-one".