611390652492 has 24 divisors (see below), whose sum is σ = 1429085372400. Its totient is φ = 203438715136.

The previous prime is 611390652461. The next prime is 611390652511. The reversal of 611390652492 is 294256093116.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44764017 + ... + 44777672.

It is an arithmetic number, because the mean of its divisors is an integer number (59545223850).

Almost surely, 2^611390652492 is an apocalyptic number.

It is an amenable number.

611390652492 is an abundant number, since it is smaller than the sum of its proper divisors (817694719908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611390652492 is a wasteful number, since it uses less digits than its factorization.

611390652492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89542265 (or 89542263 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 611390652492 in words is "six hundred eleven billion, three hundred ninety million, six hundred fifty-two thousand, four hundred ninety-two".