611255024540 has 48 divisors (see below), whose sum is σ = 1288942200000. Its totient is φ = 243491684352.

The previous prime is 611255024537. The next prime is 611255024557. The reversal of 611255024540 is 45420552116.

It is a self number, because there is not a number n which added to its sum of digits gives 611255024540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25682966 + ... + 25706754.

It is an arithmetic number, because the mean of its divisors is an integer number (26852962500).

Almost surely, 2^611255024540 is an apocalyptic number.

It is an amenable number.

611255024540 is an abundant number, since it is smaller than the sum of its proper divisors (677687175460).

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

611255024540 is a wasteful number, since it uses less digits than its factorization.

611255024540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29054 (or 29052 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 611255024540 its reverse (45420552116), we get a palindrome (656675576656).

The spelling of 611255024540 in words is "six hundred eleven billion, two hundred fifty-five million, twenty-four thousand, five hundred forty".