61115111006 has 32 divisors (see below), whose sum is σ = 93945277440. Its totient is φ = 29807122176.

The previous prime is 61115110963. The next prime is 61115111051. The reversal of 61115111006 is 60011151116.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22743395 + ... + 22746081.

It is an arithmetic number, because the mean of its divisors is an integer number (2935789920).

Almost surely, 2^61115111006 is an apocalyptic number.

61115111006 is a deficient number, since it is larger than the sum of its proper divisors (32830166434).

61115111006 is a wasteful number, since it uses less digits than its factorization.

61115111006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 61115111006 in words is "sixty-one billion, one hundred fifteen million, one hundred eleven thousand, six".