61087156 has 24 divisors (see below), whose sum is σ = 116212320. Its totient is φ = 27928032.

The previous prime is 61087153. The next prime is 61087157. The reversal of 61087156 is 65178016.

61087156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61087153) 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, 75 + ... + 11053.

It is an arithmetic number, because the mean of its divisors is an integer number (4842180).

Almost surely, 2^61087156 is an apocalyptic number.

It is an amenable number.

61087156 is a deficient number, since it is larger than the sum of its proper divisors (55125164).

61087156 is a wasteful number, since it uses less digits than its factorization.

61087156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11103 (or 11101 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 61087156 is about 7815.8272754712. The cubic root of 61087156 is about 393.8371096094.

The spelling of 61087156 in words is "sixty-one million, eighty-seven thousand, one hundred fifty-six".