1085511075 has 24 divisors (see below), whose sum is σ = 1957868736. Its totient is φ = 526308000.

The previous prime is 1085511071. The next prime is 1085511079. The reversal of 1085511075 is 5701155801.

It is an interprime number because it is at equal distance from previous prime (1085511071) and next prime (1085511079).

It is not a de Polignac number, because 1085511075 - 2² = 1085511071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1085511071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 657061 + ... + 658710.

It is an arithmetic number, because the mean of its divisors is an integer number (81577864).

Almost surely, 2^1085511075 is an apocalyptic number.

1085511075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1085511075 is a deficient number, since it is larger than the sum of its proper divisors (872357661).

1085511075 is a wasteful number, since it uses less digits than its factorization.

1085511075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315795 (or 1315790 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 33.

The square root of 1085511075 is about 32947.0950919804. The cubic root of 1085511075 is about 1027.7277571847.

Adding to 1085511075 its reverse (5701155801), we get a palindrome (6786666876).

The spelling of 1085511075 in words is "one billion, eighty-five million, five hundred eleven thousand, seventy-five".