15530140263 has 16 divisors (see below), whose sum is σ = 22767169536. Its totient is φ = 9338091840.

The previous prime is 15530140151. The next prime is 15530140273. The reversal of 15530140263 is 36204103551.

It is a de Polignac number, because none of the positive numbers 2^k-15530140263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15530140263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15530140273) 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 in 15 ways as a sum of consecutive naturals, for example, 1848606 + ... + 1856987.

It is an arithmetic number, because the mean of its divisors is an integer number (1422948096).

Almost surely, 2^15530140263 is an apocalyptic number.

15530140263 is a deficient number, since it is larger than the sum of its proper divisors (7237029273).

15530140263 is a wasteful number, since it uses less digits than its factorization.

15530140263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705734.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 15530140263 in words is "fifteen billion, five hundred thirty million, one hundred forty thousand, two hundred sixty-three".