61011061100755 has 8 divisors (see below), whose sum is σ = 73215724810032. Its totient is φ = 48807214554528.

The previous prime is 61011061100749. The next prime is 61011061100767. The reversal of 61011061100755 is 55700116011016.

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 61011061100755 - 2³ = 61011061100747 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 61011061100755.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204126492 + ... + 204425161.

It is an arithmetic number, because the mean of its divisors is an integer number (9151965601254).

Almost surely, 2^{61011061100755} is an apocalyptic number.

61011061100755 is a deficient number, since it is larger than the sum of its proper divisors (12204663709277).

61011061100755 is a wasteful number, since it uses less digits than its factorization.

61011061100755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408581525.

The product of its (nonzero) digits is 6300, while the sum is 34.

The spelling of 61011061100755 in words is "sixty-one trillion, eleven billion, sixty-one million, one hundred thousand, seven hundred fifty-five".