72155255127 has 8 divisors (see below), whose sum is σ = 98444379264. Its totient is φ = 46984817208.

The previous prime is 72155255119. The next prime is 72155255131.

72155255127 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 72155255127 - 2³ = 72155255119 is a prime.

It is a super-2 number, since 2×72155255127² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72155255197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279671403 + ... + 279671660.

It is an arithmetic number, because the mean of its divisors is an integer number (12305547408).

Almost surely, 2^72155255127 is an apocalyptic number.

72155255127 is a deficient number, since it is larger than the sum of its proper divisors (26289124137).

72155255127 is a wasteful number, since it uses less digits than its factorization.

72155255127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559343109.

The product of its digits is 245000, while the sum is 42.

The spelling of 72155255127 in words is "seventy-two billion, one hundred fifty-five million, two hundred fifty-five thousand, one hundred twenty-seven".