15056150516551 has 4 divisors (see below), whose sum is σ = 15575328120600. Its totient is φ = 14536972912504.

The previous prime is 15056150516503. The next prime is 15056150516581. The reversal of 15056150516551 is 15561505165051.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15056150516551 - 2³¹ = 15054003032903 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 (15056150516501) 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, 259588801981 + ... + 259588802038.

It is an arithmetic number, because the mean of its divisors is an integer number (3893832030150).

Almost surely, 2^{15056150516551} is an apocalyptic number.

15056150516551 is a deficient number, since it is larger than the sum of its proper divisors (519177604049).

15056150516551 is an equidigital number, since it uses as much as digits as its factorization.

15056150516551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519177604048.

The product of its (nonzero) digits is 562500, while the sum is 46.

The spelling of 15056150516551 in words is "fifteen trillion, fifty-six billion, one hundred fifty million, five hundred sixteen thousand, five hundred fifty-one".