5115627155461 has 4 divisors (see below), whose sum is σ = 5117197814892. Its totient is φ = 5114056496032.

The previous prime is 5115627155423. The next prime is 5115627155503. The reversal of 5115627155461 is 1645517265115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2435550390625 + 2680076764836 = 1560625^2 + 1637094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5115627155461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5115627155411) 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 3 ways as a sum of consecutive naturals, for example, 785324830 + ... + 785331343.

It is an arithmetic number, because the mean of its divisors is an integer number (1279299453723).

Almost surely, 2^{5115627155461} is an apocalyptic number.

It is an amenable number.

5115627155461 is a deficient number, since it is larger than the sum of its proper divisors (1570659431).

5115627155461 is a wasteful number, since it uses less digits than its factorization.

5115627155461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570659430.

The product of its digits is 1260000, while the sum is 49.

The spelling of 5115627155461 in words is "five trillion, one hundred fifteen billion, six hundred twenty-seven million, one hundred fifty-five thousand, four hundred sixty-one".