15140041261 has 2 divisors, whose sum is σ = 15140041262. Its totient is φ = 15140041260.

The previous prime is 15140041253. The next prime is 15140041283. The reversal of 15140041261 is 16214004151.

15140041261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12040892361 + 3099148900 = 109731^2 + 55670^2 .

It is a cyclic number.

It is not a de Polignac number, because 15140041261 - 2³ = 15140041253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15140011261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570020630 + 7570020631.

It is an arithmetic number, because the mean of its divisors is an integer number (7570020631).

Almost surely, 2^15140041261 is an apocalyptic number.

It is an amenable number.

15140041261 is a deficient number, since it is larger than the sum of its proper divisors (1).

15140041261 is an equidigital number, since it uses as much as digits as its factorization.

15140041261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 15140041261 in words is "fifteen billion, one hundred forty million, forty-one thousand, two hundred sixty-one".