1121086485640 has 64 divisors (see below), whose sum is σ = 2871399404160. Its totient is φ = 389943121920.

The previous prime is 1121086485583. The next prime is 1121086485643. The reversal of 1121086485640 is 465846801211.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (1121086485643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55379529 + ... + 55399768.

It is an arithmetic number, because the mean of its divisors is an integer number (44865615690).

Almost surely, 2^{1121086485640} is an apocalyptic number.

1121086485640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121086485640 is an abundant number, since it is smaller than the sum of its proper divisors (1750312918520).

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

1121086485640 is a wasteful number, since it uses less digits than its factorization.

1121086485640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110779342 (or 110779338 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 1121086485640 in words is "one trillion, one hundred twenty-one billion, eighty-six million, four hundred eighty-five thousand, six hundred forty".