15480333554971 has 2 divisors, whose sum is σ = 15480333554972. Its totient is φ = 15480333554970.

The previous prime is 15480333554923. The next prime is 15480333555007. The reversal of 15480333554971 is 17945533308451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15480333554971 - 2¹³ = 15480333546779 is a prime.

It is a super-2 number, since 2×15480333554971² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15480333554671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7740166777485 + 7740166777486.

It is an arithmetic number, because the mean of its divisors is an integer number (7740166777486).

Almost surely, 2^{15480333554971} is an apocalyptic number.

15480333554971 is a deficient number, since it is larger than the sum of its proper divisors (1).

15480333554971 is an equidigital number, since it uses as much as digits as its factorization.

15480333554971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 15480333554971 in words is "fifteen trillion, four hundred eighty billion, three hundred thirty-three million, five hundred fifty-four thousand, nine hundred seventy-one".