611201260131 has 16 divisors (see below), whose sum is σ = 1016022874368. Its totient is φ = 317507148000.

The previous prime is 611201260127. The next prime is 611201260133. The reversal of 611201260131 is 131062102116.

It is a happy number.

It is not a de Polignac number, because 611201260131 - 2² = 611201260127 is a prime.

It is a super-2 number, since 2×611201260131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (611201260133) 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, 1322946220 + ... + 1322946681.

It is an arithmetic number, because the mean of its divisors is an integer number (63501429648).

Almost surely, 2^611201260131 is an apocalyptic number.

611201260131 is a deficient number, since it is larger than the sum of its proper divisors (404821614237).

611201260131 is a wasteful number, since it uses less digits than its factorization.

611201260131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645892922.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 611201260131 its reverse (131062102116), we get a palindrome (742263362247).

The spelling of 611201260131 in words is "six hundred eleven billion, two hundred one million, two hundred sixty thousand, one hundred thirty-one".