611112621131441 has 8 divisors (see below), whose sum is σ = 717950491958784. Its totient is φ = 512821779970320.

The previous prime is 611112621131437. The next prime is 611112621131471. The reversal of 611112621131441 is 144131126211116.

It is a happy number.

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 611112621131441 - 2² = 611112621131437 is a prime.

It is a super-2 number, since 2×611112621131441² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (611112621131471) 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, 2136757416401 + ... + 2136757416686.

It is an arithmetic number, because the mean of its divisors is an integer number (89743811494848).

Almost surely, 2^{611112621131441} is an apocalyptic number.

It is an amenable number.

611112621131441 is a deficient number, since it is larger than the sum of its proper divisors (106837870827343).

611112621131441 is a wasteful number, since it uses less digits than its factorization.

611112621131441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273514833111.

The product of its digits is 6912, while the sum is 35.

Adding to 611112621131441 its reverse (144131126211116), we get a palindrome (755243747342557).

The spelling of 611112621131441 in words is "six hundred eleven trillion, one hundred twelve billion, six hundred twenty-one million, one hundred thirty-one thousand, four hundred forty-one".