61141556 has 24 divisors (see below), whose sum is σ = 122908800. Its totient is φ = 26069472.

The previous prime is 61141547. The next prime is 61141559. The reversal of 61141556 is 65514116.

61141556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61141556² = 7476579740202272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61141559) by changing a digit.

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, 86 + ... + 11058.

It is an arithmetic number, because the mean of its divisors is an integer number (5121200).

Almost surely, 2^61141556 is an apocalyptic number.

It is an amenable number.

61141556 is an abundant number, since it is smaller than the sum of its proper divisors (61767244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61141556 is a wasteful number, since it uses less digits than its factorization.

61141556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11183 (or 11181 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 61141556 is about 7819.3066188761. The cubic root of 61141556 is about 393.9539829617.

The spelling of 61141556 in words is "sixty-one million, one hundred forty-one thousand, five hundred fifty-six".