15040551013 has 2 divisors, whose sum is σ = 15040551014. Its totient is φ = 15040551012.

The previous prime is 15040551011. The next prime is 15040551067. The reversal of 15040551013 is 31015504051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15040079044 + 471969 = 122638^2 + 687^2 .

It is a cyclic number.

It is not a de Polignac number, because 15040551013 - 2¹ = 15040551011 is a prime.

Together with 15040551011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15040551011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520275506 + 7520275507.

It is an arithmetic number, because the mean of its divisors is an integer number (7520275507).

Almost surely, 2^15040551013 is an apocalyptic number.

It is an amenable number.

15040551013 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040551013 is an equidigital number, since it uses as much as digits as its factorization.

15040551013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 15040551013 in words is "fifteen billion, forty million, five hundred fifty-one thousand, thirteen".