611402211053 has 4 divisors (see below), whose sum is σ = 625620867168. Its totient is φ = 597183554940.

The previous prime is 611402211047. The next prime is 611402211059. The reversal of 611402211053 is 350112204116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (611402211047) and next prime (611402211059).

It is a cyclic number.

It is not a de Polignac number, because 611402211053 - 2²⁴ = 611385433837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611402211059) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7109327993 + ... + 7109328078.

It is an arithmetic number, because the mean of its divisors is an integer number (156405216792).

Almost surely, 2^611402211053 is an apocalyptic number.

It is an amenable number.

611402211053 is a deficient number, since it is larger than the sum of its proper divisors (14218656115).

611402211053 is a wasteful number, since it uses less digits than its factorization.

611402211053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14218656114.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 611402211053 its reverse (350112204116), we get a palindrome (961514415169).

The spelling of 611402211053 in words is "six hundred eleven billion, four hundred two million, two hundred eleven thousand, fifty-three".