15880403617139 has 2 divisors, whose sum is σ = 15880403617140. Its totient is φ = 15880403617138.

The previous prime is 15880403617087. The next prime is 15880403617159. The reversal of 15880403617139 is 93171630408851.

It is a happy number.

15880403617139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15880403617139 - 2¹⁶ = 15880403551603 is a prime.

It is not a weakly prime, because it can be changed into another prime (15880403617159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7940201808569 + 7940201808570.

It is an arithmetic number, because the mean of its divisors is an integer number (7940201808570).

Almost surely, 2^{15880403617139} is an apocalyptic number.

15880403617139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15880403617139 is an equidigital number, since it uses as much as digits as its factorization.

15880403617139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 15880403617139 in words is "fifteen trillion, eight hundred eighty billion, four hundred three million, six hundred seventeen thousand, one hundred thirty-nine".