11012451660 has 96 divisors (see below), whose sum is σ = 39155397120. Its totient is φ = 2517130944.

The previous prime is 11012451649. The next prime is 11012451707. The reversal of 11012451660 is 6615421011.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1452894 + ... + 1460453.

It is an arithmetic number, because the mean of its divisors is an integer number (407868720).

Almost surely, 2^11012451660 is an apocalyptic number.

11012451660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012451660 is an abundant number, since it is smaller than the sum of its proper divisors (28142945460).

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

11012451660 is a wasteful number, since it uses less digits than its factorization.

11012451660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913372 (or 2913364 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 11012451660 its reverse (6615421011), we get a palindrome (17627872671).

The spelling of 11012451660 in words is "eleven billion, twelve million, four hundred fifty-one thousand, six hundred sixty".