15106605551 has 8 divisors (see below), whose sum is σ = 15771884544. Its totient is φ = 14442032440.

The previous prime is 15106605541. The next prime is 15106605581. The reversal of 15106605551 is 15550660151.

15106605551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 15106605551 - 2¹⁸ = 15106343407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15106605541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132491 + ... + 218556.

It is an arithmetic number, because the mean of its divisors is an integer number (1971485568).

Almost surely, 2^15106605551 is an apocalyptic number.

15106605551 is a deficient number, since it is larger than the sum of its proper divisors (665278993).

15106605551 is a wasteful number, since it uses less digits than its factorization.

15106605551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352941.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 15106605551 in words is "fifteen billion, one hundred six million, six hundred five thousand, five hundred fifty-one".