7151211255 has 8 divisors (see below), whose sum is σ = 11441938032. Its totient is φ = 3813979328.

The previous prime is 7151211251. The next prime is 7151211259. The reversal of 7151211255 is 5521121517.

It is an interprime number because it is at equal distance from previous prime (7151211251) and next prime (7151211259).

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 7151211255 - 2² = 7151211251 is a prime.

It is a super-2 number, since 2×7151211255² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7151211251) 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, 238373694 + ... + 238373723.

It is an arithmetic number, because the mean of its divisors is an integer number (1430242254).

Almost surely, 2^7151211255 is an apocalyptic number.

7151211255 is a deficient number, since it is larger than the sum of its proper divisors (4290726777).

7151211255 is a wasteful number, since it uses less digits than its factorization.

7151211255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476747425.

The product of its digits is 3500, while the sum is 30.

The square root of 7151211255 is about 84564.8346240918. The cubic root of 7151211255 is about 1926.6073047998.

The spelling of 7151211255 in words is "seven billion, one hundred fifty-one million, two hundred eleven thousand, two hundred fifty-five".