611610113651 has 8 divisors (see below), whose sum is σ = 633125078400. Its totient is φ = 590123479680.

The previous prime is 611610113617. The next prime is 611610113657. The reversal of 611610113651 is 156311016116.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611610113651 is a prime.

It is a super-2 number, since 2×611610113651² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611610113657) 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 7 ways as a sum of consecutive naturals, for example, 7038755 + ... + 7125116.

It is an arithmetic number, because the mean of its divisors is an integer number (79140634800).

Almost surely, 2^611610113651 is an apocalyptic number.

611610113651 is a deficient number, since it is larger than the sum of its proper divisors (21514964749).

611610113651 is a wasteful number, since it uses less digits than its factorization.

611610113651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14165389.

The product of its (nonzero) digits is 3240, while the sum is 32.

Adding to 611610113651 its reverse (156311016116), we get a palindrome (767921129767).

The spelling of 611610113651 in words is "six hundred eleven billion, six hundred ten million, one hundred thirteen thousand, six hundred fifty-one".