611265316870231 has 4 divisors (see below), whose sum is σ = 611631563317000. Its totient is φ = 610899070423464.

The previous prime is 611265316870211. The next prime is 611265316870237. The reversal of 611265316870231 is 132078613562116.

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 611265316870231 - 2²¹ = 611265314773079 is a prime.

It is a super-2 number, since 2×611265316870231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611265316870237) 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, 183123220881 + ... + 183123224218.

It is an arithmetic number, because the mean of its divisors is an integer number (152907890829250).

Almost surely, 2^{611265316870231} is an apocalyptic number.

611265316870231 is a deficient number, since it is larger than the sum of its proper divisors (366246446769).

611265316870231 is a wasteful number, since it uses less digits than its factorization.

611265316870231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366246446768.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 611265316870231 in words is "six hundred eleven trillion, two hundred sixty-five billion, three hundred sixteen million, eight hundred seventy thousand, two hundred thirty-one".