1051705655 has 32 divisors (see below), whose sum is σ = 1694504448. Its totient is φ = 605174400.

The previous prime is 1051705639. The next prime is 1051705673. The reversal of 1051705655 is 5565071501.

It is not a de Polignac number, because 1051705655 - 2⁴ = 1051705639 is a prime.

It is a super-2 number, since 2×1051705655² = 2212169569517958050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100061 + ... + 110070.

It is an arithmetic number, because the mean of its divisors is an integer number (52953264).

Almost surely, 2^1051705655 is an apocalyptic number.

1051705655 is a deficient number, since it is larger than the sum of its proper divisors (642798793).

1051705655 is a wasteful number, since it uses less digits than its factorization.

1051705655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210167.

The product of its (nonzero) digits is 26250, while the sum is 35.

The square root of 1051705655 is about 32430.0116404543. The cubic root of 1051705655 is about 1016.9464151186.

The spelling of 1051705655 in words is "one billion, fifty-one million, seven hundred five thousand, six hundred fifty-five".