61755011 has 8 divisors (see below), whose sum is σ = 62712000. Its totient is φ = 60802560.

The previous prime is 61754993. The next prime is 61755013. The reversal of 61755011 is 11055716.

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 61755011 - 2⁶ = 61754947 is a prime.

It is a super-2 number, since 2×61755011² = 7627362767220242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61755013) 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, 34601 + ... + 36341.

It is an arithmetic number, because the mean of its divisors is an integer number (7839000).

Almost surely, 2^61755011 is an apocalyptic number.

61755011 is a deficient number, since it is larger than the sum of its proper divisors (956989).

61755011 is a wasteful number, since it uses less digits than its factorization.

61755011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 61755011 is about 7858.4356585773. The cubic root of 61755011 is about 395.2671610352.

The spelling of 61755011 in words is "sixty-one million, seven hundred fifty-five thousand, eleven".