1125920426688 has 56 divisors (see below), whose sum is σ = 3309997555760. Its totient is φ = 375306808320.

The previous prime is 1125920426681. The next prime is 1125920426689. The reversal of 1125920426688 is 8866240295211.

1125920426688 is a `hidden beast` number, since 1 + 1 + 2 + 592 + 0 + 42 + 6 + 6 + 8 + 8 = 666.

It is a super-3 number, since 3×1125920426688³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1125920426681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325785433 + ... + 325788888.

It is an arithmetic number, because the mean of its divisors is an integer number (59107099210).

Almost surely, 2^{1125920426688} is an apocalyptic number.

1125920426688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1125920426688 is an abundant number, since it is smaller than the sum of its proper divisors (2184077129072).

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

1125920426688 is an equidigital number, since it uses as much as digits as its factorization.

1125920426688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651574342 (or 651574326 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 1125920426688 in words is "one trillion, one hundred twenty-five billion, nine hundred twenty million, four hundred twenty-six thousand, six hundred eighty-eight".