1320501554652 has 24 divisors (see below), whose sum is σ = 3521337479296. Its totient is φ = 377286158448.

The previous prime is 1320501554639. The next prime is 1320501554681. The reversal of 1320501554652 is 2564551050231.

It is a super-2 number, since 2×1320501554652² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320501554652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7860128218 + ... + 7860128385.

Almost surely, 2^{1320501554652} is an apocalyptic number.

1320501554652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320501554652 is an abundant number, since it is smaller than the sum of its proper divisors (2200835924644).

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

1320501554652 is a wasteful number, since it uses less digits than its factorization.

1320501554652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15720256617 (or 15720256615 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 1320501554652 in words is "one trillion, three hundred twenty billion, five hundred one million, five hundred fifty-four thousand, six hundred fifty-two".