1053011111 has 4 divisors (see below), whose sum is σ = 1053203424. Its totient is φ = 1052818800.

The previous prime is 1053011101. The next prime is 1053011147. The reversal of 1053011111 is 1111103501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1053011111 - 2²² = 1048816807 is a prime.

It is a super-2 number, since 2×1053011111² = 2217664799778908642, which contains 22 as substring.

It is a Duffinian number.

1053011111 is a modest number, since divided by 11111 gives 10530 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053011101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87695 + ... + 98976.

It is an arithmetic number, because the mean of its divisors is an integer number (263300856).

Almost surely, 2^1053011111 is an apocalyptic number.

1053011111 is a deficient number, since it is larger than the sum of its proper divisors (192313).

1053011111 is an equidigital number, since it uses as much as digits as its factorization.

1053011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192312.

The product of its (nonzero) digits is 15, while the sum is 14.

The square root of 1053011111 is about 32450.1326807765. The cubic root of 1053011111 is about 1017.3670112155.

Adding to 1053011111 its reverse (1111103501), we get a palindrome (2164114612).

The spelling of 1053011111 in words is "one billion, fifty-three million, eleven thousand, one hundred eleven".