611412540252 has 48 divisors (see below), whose sum is σ = 1488865916160. Its totient is φ = 194915721088.

The previous prime is 611412540181. The next prime is 611412540253. The reversal of 611412540252 is 252045214116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611412540253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1858024 + ... + 2162192.

It is an arithmetic number, because the mean of its divisors is an integer number (31018039920).

Almost surely, 2^611412540252 is an apocalyptic number.

It is an amenable number.

611412540252 is an abundant number, since it is smaller than the sum of its proper divisors (877453375908).

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

611412540252 is a wasteful number, since it uses less digits than its factorization.

611412540252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311482 (or 311480 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 611412540252 its reverse (252045214116), we get a palindrome (863457754368).

The spelling of 611412540252 in words is "six hundred eleven billion, four hundred twelve million, five hundred forty thousand, two hundred fifty-two".