10861955 has 8 divisors (see below), whose sum is σ = 14037072. Its totient is φ = 8021088.

The previous prime is 10861943. The next prime is 10861969. The reversal of 10861955 is 55916801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10861955 - 2¹² = 10857859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 83489 + ... + 83618.

It is an arithmetic number, because the mean of its divisors is an integer number (1754634).

Almost surely, 2^10861955 is an apocalyptic number.

10861955 is a deficient number, since it is larger than the sum of its proper divisors (3175117).

10861955 is a wasteful number, since it uses less digits than its factorization.

10861955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167125.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 10861955 is about 3295.7480182805. The cubic root of 10861955 is about 221.4637586418.

The spelling of 10861955 in words is "ten million, eight hundred sixty-one thousand, nine hundred fifty-five".