7155057013 has 8 divisors (see below), whose sum is σ = 7725570048. Its totient is φ = 6587418864.

The previous prime is 7155057001. The next prime is 7155057017. The reversal of 7155057013 is 3107505517.

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

It is not a de Polignac number, because 7155057013 - 2⁵ = 7155056981 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 7155057013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7155057017) 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, 713545 + ... + 723502.

It is an arithmetic number, because the mean of its divisors is an integer number (965696256).

Almost surely, 2^7155057013 is an apocalyptic number.

It is an amenable number.

7155057013 is a deficient number, since it is larger than the sum of its proper divisors (570513035).

7155057013 is a wasteful number, since it uses less digits than its factorization.

7155057013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437443.

The product of its (nonzero) digits is 18375, while the sum is 34.

The square root of 7155057013 is about 84587.5700856810. The cubic root of 7155057013 is about 1926.9526047036.

The spelling of 7155057013 in words is "seven billion, one hundred fifty-five million, fifty-seven thousand, thirteen".