61011005 has 8 divisors (see below), whose sum is σ = 79869024. Its totient is φ = 44371600.

The previous prime is 61010953. The next prime is 61011053. The reversal of 61011005 is 50011016.

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

It is not a de Polignac number, because 61011005 - 2⁶ = 61010941 is a prime.

It is a super-2 number, since 2×61011005² = 7444685462220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 554591 + ... + 554700.

It is an arithmetic number, because the mean of its divisors is an integer number (9983628).

Almost surely, 2^61011005 is an apocalyptic number.

It is an amenable number.

61011005 is a deficient number, since it is larger than the sum of its proper divisors (18858019).

61011005 is a wasteful number, since it uses less digits than its factorization.

61011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109307.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 61011005 is about 7810.9541670656. The cubic root of 61011005 is about 393.6733896471.

The spelling of 61011005 in words is "sixty-one million, eleven thousand, five".