1120657258681 has 24 divisors (see below), whose sum is σ = 1181998869504. Its totient is φ = 1061193752640.

The previous prime is 1120657258673. The next prime is 1120657258691. The reversal of 1120657258681 is 1868527560211.

It is a happy number.

It is not a de Polignac number, because 1120657258681 - 2³ = 1120657258673 is a prime.

It is a super-2 number, since 2×1120657258681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120657258631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36484576 + ... + 36515278.

It is an arithmetic number, because the mean of its divisors is an integer number (49249952896).

Almost surely, 2^{1120657258681} is an apocalyptic number.

It is an amenable number.

1120657258681 is a deficient number, since it is larger than the sum of its proper divisors (61341610823).

1120657258681 is an equidigital number, since it uses as much as digits as its factorization.

1120657258681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31061 (or 30934 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 1120657258681 in words is "one trillion, one hundred twenty billion, six hundred fifty-seven million, two hundred fifty-eight thousand, six hundred eighty-one".