15485401563 has 8 divisors (see below), whose sum is σ = 21086504448. Its totient is φ = 10103949864.

The previous prime is 15485401559. The next prime is 15485401571. The reversal of 15485401563 is 36510458451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15485401563 - 2² = 15485401559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15485401363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54912631 + ... + 54912912.

It is an arithmetic number, because the mean of its divisors is an integer number (2635813056).

Almost surely, 2^15485401563 is an apocalyptic number.

15485401563 is a deficient number, since it is larger than the sum of its proper divisors (5601102885).

15485401563 is a wasteful number, since it uses less digits than its factorization.

15485401563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109825593.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 15485401563 in words is "fifteen billion, four hundred eighty-five million, four hundred one thousand, five hundred sixty-three".