61051156 has 12 divisors (see below), whose sum is σ = 107320192. Its totient is φ = 30388248.

The previous prime is 61051127. The next prime is 61051169. The reversal of 61051156 is 65115016.

It is a self number, because there is not a number n which added to its sum of digits gives 61051156.

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, 33330 + ... + 35113.

Almost surely, 2^61051156 is an apocalyptic number.

It is an amenable number.

61051156 is a deficient number, since it is larger than the sum of its proper divisors (46269036).

61051156 is a wasteful number, since it uses less digits than its factorization.

61051156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68670 (or 68668 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 61051156 is about 7813.5239169020. The cubic root of 61051156 is about 393.7597287930.

The spelling of 61051156 in words is "sixty-one million, fifty-one thousand, one hundred fifty-six".