711611444890 has 32 divisors (see below), whose sum is σ = 1281891240000. Its totient is φ = 284424542208.

The previous prime is 711611444839. The next prime is 711611444941. The reversal of 711611444890 is 98444116117.

It is an interprime number because it is at equal distance from previous prime (711611444839) and next prime (711611444941).

It is a super-2 number, since 2×711611444890² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 711611444890.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108989146 + ... + 108995674.

It is an arithmetic number, because the mean of its divisors is an integer number (40059101250).

Almost surely, 2^711611444890 is an apocalyptic number.

711611444890 is a deficient number, since it is larger than the sum of its proper divisors (570279795110).

711611444890 is a wasteful number, since it uses less digits than its factorization.

711611444890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 711611444890 in words is "seven hundred eleven billion, six hundred eleven million, four hundred forty-four thousand, eight hundred ninety".