1320925645152 has 36 divisors (see below), whose sum is σ = 3756382304220. Its totient is φ = 440308548288.

The previous prime is 1320925645103. The next prime is 1320925645187. The reversal of 1320925645152 is 2515465290231.

1320925645152 is a `hidden beast` number, since 1 + 3 + 209 + 256 + 45 + 152 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1320925645152² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320925645098 and 1320925645107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2293273402 + ... + 2293273977.

It is an arithmetic number, because the mean of its divisors is an integer number (104343952895).

Almost surely, 2^{1320925645152} is an apocalyptic number.

1320925645152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320925645152 is an abundant number, since it is smaller than the sum of its proper divisors (2435456659068).

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

1320925645152 is a wasteful number, since it uses less digits than its factorization.

1320925645152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586547395 (or 4586547384 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 1320925645152 in words is "one trillion, three hundred twenty billion, nine hundred twenty-five million, six hundred forty-five thousand, one hundred fifty-two".