15214551941171 has 4 divisors (see below), whose sum is σ = 16597693026744. Its totient is φ = 13831410855600.

The previous prime is 15214551941167. The next prime is 15214551941207. The reversal of 15214551941171 is 17114915541251.

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 15214551941171 - 2² = 15214551941167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15214551941111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691570542770 + ... + 691570542791.

It is an arithmetic number, because the mean of its divisors is an integer number (4149423256686).

Almost surely, 2^{15214551941171} is an apocalyptic number.

15214551941171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15214551941171 is a deficient number, since it is larger than the sum of its proper divisors (1383141085573).

15214551941171 is a wasteful number, since it uses less digits than its factorization.

15214551941171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383141085572.

The product of its digits is 252000, while the sum is 47.

The spelling of 15214551941171 in words is "fifteen trillion, two hundred fourteen billion, five hundred fifty-one million, nine hundred forty-one thousand, one hundred seventy-one".