15505145102 has 8 divisors (see below), whose sum is σ = 23405856456. Its totient is φ = 7703192952.

The previous prime is 15505145077. The next prime is 15505145107. The reversal of 15505145102 is 20154150551.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15505145107) 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 3 ways as a sum of consecutive naturals, for example, 24689408 + ... + 24690035.

It is an arithmetic number, because the mean of its divisors is an integer number (2925732057).

Almost surely, 2^15505145102 is an apocalyptic number.

15505145102 is a deficient number, since it is larger than the sum of its proper divisors (7900711354).

15505145102 is a wasteful number, since it uses less digits than its factorization.

15505145102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49379602.

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 15505145102 its reverse (20154150551), we get a palindrome (35659295653).

The spelling of 15505145102 in words is "fifteen billion, five hundred five million, one hundred forty-five thousand, one hundred two".