61011155006 has 8 divisors (see below), whose sum is σ = 91518224544. Its totient is φ = 30505080160.

The previous prime is 61011154993. The next prime is 61011155027. The reversal of 61011155006 is 60055111016.

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

It is a super-2 number, since 2×61011155006² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69515 + ... + 356166.

It is an arithmetic number, because the mean of its divisors is an integer number (11439778068).

Almost surely, 2^61011155006 is an apocalyptic number.

61011155006 is a deficient number, since it is larger than the sum of its proper divisors (30507069538).

61011155006 is a wasteful number, since it uses less digits than its factorization.

61011155006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497346.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 61011155006 in words is "sixty-one billion, eleven million, one hundred fifty-five thousand, six".