61111106001 has 24 divisors (see below), whose sum is σ = 96378010560. Its totient is φ = 37005602400.

The previous prime is 61111105987. The next prime is 61111106009. The reversal of 61111106001 is 10060111116.

61111106001 is a `hidden beast` number, since 61 + 1 + 1 + 1 + 1 + 0 + 600 + 1 = 666.

61111106001 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 61111106001 - 2¹¹ = 61111103953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61111106009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144421 + ... + 378258.

It is an arithmetic number, because the mean of its divisors is an integer number (4015750440).

Almost surely, 2^61111106001 is an apocalyptic number.

It is an amenable number.

61111106001 is a deficient number, since it is larger than the sum of its proper divisors (35266904559).

61111106001 is a wasteful number, since it uses less digits than its factorization.

61111106001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523877 (or 523874 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 61111106001 its reverse (10060111116), we get a palindrome (71171217117).

The spelling of 61111106001 in words is "sixty-one billion, one hundred eleven million, one hundred six thousand, one".