1101765012 has 12 divisors (see below), whose sum is σ = 2570785056. Its totient is φ = 367255000.

The previous prime is 1101765001. The next prime is 1101765043. The reversal of 1101765012 is 2105671011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1101765012² = 2427772283334720288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45906864 + ... + 45906887.

It is an arithmetic number, because the mean of its divisors is an integer number (214232088).

Almost surely, 2^1101765012 is an apocalyptic number.

1101765012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101765012 is an abundant number, since it is smaller than the sum of its proper divisors (1469020044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101765012 is a wasteful number, since it uses less digits than its factorization.

1101765012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91813758 (or 91813756 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 1101765012 is about 33192.8457954421. The cubic root of 1101765012 is about 1032.8319376277.

The spelling of 1101765012 in words is "one billion, one hundred one million, seven hundred sixty-five thousand, twelve".