15120223471 has 2 divisors, whose sum is σ = 15120223472. Its totient is φ = 15120223470.

The previous prime is 15120223423. The next prime is 15120223553. The reversal of 15120223471 is 17432202151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15120223471 - 2¹⁵ = 15120190703 is a prime.

It is a super-3 number, since 3×15120223471³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15120221471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7560111735 + 7560111736.

It is an arithmetic number, because the mean of its divisors is an integer number (7560111736).

Almost surely, 2^15120223471 is an apocalyptic number.

15120223471 is a deficient number, since it is larger than the sum of its proper divisors (1).

15120223471 is an equidigital number, since it uses as much as digits as its factorization.

15120223471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 15120223471 in words is "fifteen billion, one hundred twenty million, two hundred twenty-three thousand, four hundred seventy-one".