61155116 has 24 divisors (see below), whose sum is σ = 119469504. Its totient is φ = 27150480.

The previous prime is 61155109. The next prime is 61155139.

61155116 is nontrivially palindromic in base 10.

61155116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14270 + ... + 18053.

It is an arithmetic number, because the mean of its divisors is an integer number (4977896).

Almost surely, 2^61155116 is an apocalyptic number.

It is an amenable number.

61155116 is a deficient number, since it is larger than the sum of its proper divisors (58314388).

61155116 is a wasteful number, since it uses less digits than its factorization.

61155116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32381 (or 32379 counting only the distinct ones).

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

The square root of 61155116 is about 7820.1736553609. The cubic root of 61155116 is about 393.9831045689.

The spelling of 61155116 in words is "sixty-one million, one hundred fifty-five thousand, one hundred sixteen".