14172472155 has 16 divisors (see below), whose sum is σ = 23103804960. Its totient is φ = 7416035328.

The previous prime is 14172472141. The next prime is 14172472159. The reversal of 14172472155 is 55127427141.

It is not a de Polignac number, because 14172472155 - 2¹¹ = 14172470107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14172472159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8912710 + ... + 8914299.

It is an arithmetic number, because the mean of its divisors is an integer number (1443987810).

Almost surely, 2^14172472155 is an apocalyptic number.

14172472155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14172472155 is a deficient number, since it is larger than the sum of its proper divisors (8931332805).

14172472155 is a wasteful number, since it uses less digits than its factorization.

14172472155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17827070.

The product of its digits is 78400, while the sum is 39.

Adding to 14172472155 its reverse (55127427141), we get a palindrome (69299899296).

The spelling of 14172472155 in words is "fourteen billion, one hundred seventy-two million, four hundred seventy-two thousand, one hundred fifty-five".