1011488486456 has 64 divisors (see below), whose sum is σ = 2183082720000. Its totient is φ = 430383663360.

The previous prime is 1011488486453. The next prime is 1011488486479. The reversal of 1011488486456 is 6546848841101.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011488486453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4728095 + ... + 4937393.

It is an arithmetic number, because the mean of its divisors is an integer number (34110667500).

Almost surely, 2^{1011488486456} is an apocalyptic number.

It is an amenable number.

1011488486456 is an abundant number, since it is smaller than the sum of its proper divisors (1171594233544).

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

1011488486456 is a wasteful number, since it uses less digits than its factorization.

1011488486456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209932 (or 209928 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 56.

The spelling of 1011488486456 in words is "one trillion, eleven billion, four hundred eighty-eight million, four hundred eighty-six thousand, four hundred fifty-six".