11030505061 has 8 divisors (see below), whose sum is σ = 11246286240. Its totient is φ = 10815007632.

The previous prime is 11030505041. The next prime is 11030505089. The reversal of 11030505061 is 16050503011.

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 11030505061 - 2¹⁵ = 11030472293 is a prime.

It is a super-2 number, since 2×11030505061² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030505041) 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, 8430 + ... + 148768.

It is an arithmetic number, because the mean of its divisors is an integer number (1405785780).

Almost surely, 2^11030505061 is an apocalyptic number.

It is an amenable number.

11030505061 is a deficient number, since it is larger than the sum of its proper divisors (215781179).

11030505061 is a wasteful number, since it uses less digits than its factorization.

11030505061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141875.

The product of its (nonzero) digits is 450, while the sum is 22.

The spelling of 11030505061 in words is "eleven billion, thirty million, five hundred five thousand, sixty-one".