15242164550 has 48 divisors (see below), whose sum is σ = 28866164352. Its totient is φ = 5986310400.

The previous prime is 15242164543. The next prime is 15242164559. The reversal of 15242164550 is 5546124251.

It is a self number, because there is not a number n which added to its sum of digits gives 15242164550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242164559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1847234 + ... + 1855466.

It is an arithmetic number, because the mean of its divisors is an integer number (601378424).

Almost surely, 2^15242164550 is an apocalyptic number.

15242164550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15242164550 is a deficient number, since it is larger than the sum of its proper divisors (13623999802).

15242164550 is a wasteful number, since it uses less digits than its factorization.

15242164550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8913 (or 8908 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 15242164550 in words is "fifteen billion, two hundred forty-two million, one hundred sixty-four thousand, five hundred fifty".