1052105551 has 16 divisors (see below), whose sum is σ = 1243726848. Its totient is φ = 871243200.

The previous prime is 1052105519. The next prime is 1052105567. The reversal of 1052105551 is 1555012501.

It is a cyclic number.

It is not a de Polignac number, because 1052105551 - 2⁵ = 1052105519 is a prime.

It is a super-2 number, since 2×1052105551² = 2213852180890027202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052105501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11766 + ... + 47356.

It is an arithmetic number, because the mean of its divisors is an integer number (77732928).

Almost surely, 2^1052105551 is an apocalyptic number.

1052105551 is a deficient number, since it is larger than the sum of its proper divisors (191621297).

1052105551 is a wasteful number, since it uses less digits than its factorization.

1052105551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35742.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 1052105551 is about 32436.1765780124. The cubic root of 1052105551 is about 1017.0752918845.

The spelling of 1052105551 in words is "one billion, fifty-two million, one hundred five thousand, five hundred fifty-one".