1320890692425 has 48 divisors (see below), whose sum is σ = 2266001299968. Its totient is φ = 678217420800.

The previous prime is 1320890692417. The next prime is 1320890692427. The reversal of 1320890692425 is 5242960980231.

It is not a de Polignac number, because 1320890692425 - 2³ = 1320890692417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320890692427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1023102 + ... + 1920551.

It is an arithmetic number, because the mean of its divisors is an integer number (47208360416).

Almost surely, 2^{1320890692425} is an apocalyptic number.

1320890692425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1320890692425 is a deficient number, since it is larger than the sum of its proper divisors (945110607543).

1320890692425 is a wasteful number, since it uses less digits than its factorization.

1320890692425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943890 (or 2943885 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 1320890692425 in words is "one trillion, three hundred twenty billion, eight hundred ninety million, six hundred ninety-two thousand, four hundred twenty-five".