61533435200011 has 8 divisors (see below), whose sum is σ = 63747692979584. Its totient is φ = 59333509186560.

The previous prime is 61533435199963. The next prime is 61533435200057. The reversal of 61533435200011 is 11000253433516.

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 61533435200011 - 2¹⁷ = 61533435068939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61533435200011.

It is not an unprimeable number, because it can be changed into a prime (61533435200071) 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, 3582932790 + ... + 3582949963.

It is an arithmetic number, because the mean of its divisors is an integer number (7968461622448).

Almost surely, 2^{61533435200011} is an apocalyptic number.

61533435200011 is a deficient number, since it is larger than the sum of its proper divisors (2214257779573).

61533435200011 is a wasteful number, since it uses less digits than its factorization.

61533435200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165883061.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 61533435200011 its reverse (11000253433516), we get a palindrome (72533688633527).

The spelling of 61533435200011 in words is "sixty-one trillion, five hundred thirty-three billion, four hundred thirty-five million, two hundred thousand, eleven".