15140120440031 has 2 divisors, whose sum is σ = 15140120440032. Its totient is φ = 15140120440030.

The previous prime is 15140120439979. The next prime is 15140120440043. The reversal of 15140120440031 is 13004402104151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15140120440031 - 2⁶ = 15140120439967 is a prime.

It is a super-2 number, since 2×15140120440031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15140120440331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570060220015 + 7570060220016.

It is an arithmetic number, because the mean of its divisors is an integer number (7570060220016).

Almost surely, 2^{15140120440031} is an apocalyptic number.

15140120440031 is a deficient number, since it is larger than the sum of its proper divisors (1).

15140120440031 is an equidigital number, since it uses as much as digits as its factorization.

15140120440031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 15140120440031 its reverse (13004402104151), we get a palindrome (28144522544182).

The spelling of 15140120440031 in words is "fifteen trillion, one hundred forty billion, one hundred twenty million, four hundred forty thousand, thirty-one".