61103944 has 32 divisors (see below), whose sum is σ = 127045440. Its totient is φ = 27316800.

The previous prime is 61103941. The next prime is 61103953. The reversal of 61103944 is 44930116.

61103944 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-3 number, since 3×61103944³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (61103941) 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, 324 + ... + 11059.

It is an arithmetic number, because the mean of its divisors is an integer number (3970170).

Almost surely, 2^61103944 is an apocalyptic number.

It is an amenable number.

61103944 is an abundant number, since it is smaller than the sum of its proper divisors (65941496).

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

61103944 is a wasteful number, since it uses less digits than its factorization.

61103944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11461 (or 11457 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 61103944 is about 7816.9011762974. The cubic root of 61103944 is about 393.8731844695.

Subtracting from 61103944 its reverse (44930116), we obtain a triangular number (16173828 = T₅₆₈₇).

The spelling of 61103944 in words is "sixty-one million, one hundred three thousand, nine hundred forty-four".