1052520451111 has 8 divisors (see below), whose sum is σ = 1089084759120. Its totient is φ = 1015974176448.

The previous prime is 1052520451109. The next prime is 1052520451117. The reversal of 1052520451111 is 1111540252501.

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 1052520451111 - 2¹ = 1052520451109 is a prime.

It is a super-2 number, since 2×1052520451111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1052520451111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052520451117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4389526 + ... + 4623091.

It is an arithmetic number, because the mean of its divisors is an integer number (136135594890).

Almost surely, 2^{1052520451111} is an apocalyptic number.

1052520451111 is a deficient number, since it is larger than the sum of its proper divisors (36564308009).

1052520451111 is an equidigital number, since it uses as much as digits as its factorization.

1052520451111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9016673.

The product of its (nonzero) digits is 2000, while the sum is 28.

The spelling of 1052520451111 in words is "one trillion, fifty-two billion, five hundred twenty million, four hundred fifty-one thousand, one hundred eleven".