1051105656 has 16 divisors (see below), whose sum is σ = 2627764200. Its totient is φ = 350368544.

The previous prime is 1051105637. The next prime is 1051105703. The reversal of 1051105656 is 6565011501.

It is a super-2 number, since 2×1051105656² = 2209646200150380672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21898011 + ... + 21898058.

Almost surely, 2^1051105656 is an apocalyptic number.

It is an amenable number.

1051105656 is an abundant number, since it is smaller than the sum of its proper divisors (1576658544).

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

1051105656 is a wasteful number, since it uses less digits than its factorization.

1051105656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43796078 (or 43796074 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1051105656 is about 32420.7596456345. The cubic root of 1051105656 is about 1016.7529887229.

The spelling of 1051105656 in words is "one billion, fifty-one million, one hundred five thousand, six hundred fifty-six".