611220245153 has 24 divisors (see below), whose sum is σ = 737849037888. Its totient is φ = 495917559648.

The previous prime is 611220245117. The next prime is 611220245197. The reversal of 611220245153 is 351542022116.

It is not a de Polignac number, because 611220245153 - 2¹² = 611220241057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (611220245113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2965550 + ... + 3164952.

It is an arithmetic number, because the mean of its divisors is an integer number (30743709912).

Almost surely, 2^611220245153 is an apocalyptic number.

It is an amenable number.

611220245153 is a deficient number, since it is larger than the sum of its proper divisors (126628792735).

611220245153 is a wasteful number, since it uses less digits than its factorization.

611220245153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200661 (or 200642 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 611220245153 its reverse (351542022116), we get a palindrome (962762267269).

The spelling of 611220245153 in words is "six hundred eleven billion, two hundred twenty million, two hundred forty-five thousand, one hundred fifty-three".