7172612551 has 8 divisors (see below), whose sum is σ = 7725231360. Its totient is φ = 6620119392.

The previous prime is 7172612539. The next prime is 7172612561. The reversal of 7172612551 is 1552162717.

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 7172612551 - 2¹³ = 7172604359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7172612551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7172612561) 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, 111141 + ... + 163393.

It is an arithmetic number, because the mean of its divisors is an integer number (965653920).

Almost surely, 2^7172612551 is an apocalyptic number.

7172612551 is a deficient number, since it is larger than the sum of its proper divisors (552618809).

7172612551 is a wasteful number, since it uses less digits than its factorization.

7172612551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62825.

The product of its digits is 29400, while the sum is 37.

The square root of 7172612551 is about 84691.2778921183. The cubic root of 7172612551 is about 1928.5272979628.

The spelling of 7172612551 in words is "seven billion, one hundred seventy-two million, six hundred twelve thousand, five hundred fifty-one".