611404020353 has 8 divisors (see below), whose sum is σ = 700136615808. Its totient is φ = 523018715904.

The previous prime is 611404020343. The next prime is 611404020391. The reversal of 611404020353 is 353020404116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611404020353 - 2³⁸ = 336526113409 is a prime.

It is a super-2 number, since 2×611404020353² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (611404020343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86818976 + ... + 86826017.

It is an arithmetic number, because the mean of its divisors is an integer number (87517076976).

Almost surely, 2^611404020353 is an apocalyptic number.

It is an amenable number.

611404020353 is a deficient number, since it is larger than the sum of its proper divisors (88732595455).

611404020353 is a wasteful number, since it uses less digits than its factorization.

611404020353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173645503.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 611404020353 its reverse (353020404116), we get a palindrome (964424424469).

The spelling of 611404020353 in words is "six hundred eleven billion, four hundred four million, twenty thousand, three hundred fifty-three".