6612157311 has 4 divisors (see below), whose sum is σ = 8816209752. Its totient is φ = 4408104872.

The previous prime is 6612157297. The next prime is 6612157373. The reversal of 6612157311 is 1137512166.

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

It is a cyclic number.

It is not a de Polignac number, because 6612157311 - 2¹⁹ = 6611633023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6612152311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102026216 + ... + 1102026221.

It is an arithmetic number, because the mean of its divisors is an integer number (2204052438).

Almost surely, 2^6612157311 is an apocalyptic number.

6612157311 is a deficient number, since it is larger than the sum of its proper divisors (2204052441).

6612157311 is a wasteful number, since it uses less digits than its factorization.

6612157311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204052440.

The product of its digits is 7560, while the sum is 33.

The square root of 6612157311 is about 81315.1726985807. The cubic root of 6612157311 is about 1876.9284867895.

Adding to 6612157311 its reverse (1137512166), we get a palindrome (7749669477).

The spelling of 6612157311 in words is "six billion, six hundred twelve million, one hundred fifty-seven thousand, three hundred eleven".