61411136 has 28 divisors (see below), whose sum is σ = 122220228. Its totient is φ = 30615552.

The previous prime is 61411117. The next prime is 61411169. The reversal of 61411136 is 63111416.

It can be written as a sum of positive squares in 2 ways, for example, as 52649536 + 8761600 = 7256^2 + 2960^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24200 + ... + 26616.

Almost surely, 2^61411136 is an apocalyptic number.

It is an amenable number.

61411136 is a deficient number, since it is larger than the sum of its proper divisors (60809092).

61411136 is a wasteful number, since it uses less digits than its factorization.

61411136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826 (or 2816 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 61411136 is about 7836.5257608203. The cubic root of 61411136 is about 394.5321299002.

The spelling of 61411136 in words is "sixty-one million, four hundred eleven thousand, one hundred thirty-six".