61061106069 has 32 divisors (see below), whose sum is σ = 94005888000. Its totient is φ = 39129791040.

The previous prime is 61061106023. The next prime is 61061106103. The reversal of 61061106069 is 96060116016.

61061106069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61061106069 - 2⁹ = 61061105557 is a prime.

It is a super-2 number, since 2×61061106069² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61061106019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120094 + ... + 369519.

It is an arithmetic number, because the mean of its divisors is an integer number (2937684000).

Almost surely, 2^61061106069 is an apocalyptic number.

It is an amenable number.

61061106069 is a deficient number, since it is larger than the sum of its proper divisors (32944781931).

61061106069 is a wasteful number, since it uses less digits than its factorization.

61061106069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489802 (or 489796 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 61061106069 in words is "sixty-one billion, sixty-one million, one hundred six thousand, sixty-nine".