1298160551040 has 64 divisors (see below), whose sum is σ = 4137886762560. Its totient is φ = 346176146432.

The previous prime is 1298160551029. The next prime is 1298160551041. The reversal of 1298160551040 is 401550618921.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1298160550983 and 1298160551001.

It is not an unprimeable number, because it can be changed into a prime (1298160551041) 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, 338060724 + ... + 338064563.

It is an arithmetic number, because the mean of its divisors is an integer number (64654480665).

Almost surely, 2^{1298160551040} is an apocalyptic number.

1298160551040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1298160551040 is an abundant number, since it is smaller than the sum of its proper divisors (2839726211520).

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

1298160551040 is an equidigital number, since it uses as much as digits as its factorization.

1298160551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676125309 (or 676125297 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 1298160551040 in words is "one trillion, two hundred ninety-eight billion, one hundred sixty million, five hundred fifty-one thousand, forty".