15552705479 has 2 divisors, whose sum is σ = 15552705480. Its totient is φ = 15552705478.

The previous prime is 15552705461. The next prime is 15552705499. The reversal of 15552705479 is 97450725551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15552705479 - 2¹² = 15552701383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15552705449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7776352739 + 7776352740.

It is an arithmetic number, because the mean of its divisors is an integer number (7776352740).

Almost surely, 2^15552705479 is an apocalyptic number.

15552705479 is a deficient number, since it is larger than the sum of its proper divisors (1).

15552705479 is an equidigital number, since it uses as much as digits as its factorization.

15552705479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205000, while the sum is 50.

The spelling of 15552705479 in words is "fifteen billion, five hundred fifty-two million, seven hundred five thousand, four hundred seventy-nine".