1372326105553 has 4 divisors (see below), whose sum is σ = 1477889652148. Its totient is φ = 1266762558960.

The previous prime is 1372326105551. The next prime is 1372326105571. The reversal of 1372326105553 is 3555016232731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 361834731729 + 1010491373824 = 601527^2 + 1005232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372326105553 - 2¹ = 1372326105551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1372326105551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52781773278 + ... + 52781773303.

It is an arithmetic number, because the mean of its divisors is an integer number (369472413037).

Almost surely, 2^{1372326105553} is an apocalyptic number.

1372326105553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1372326105553 is a deficient number, since it is larger than the sum of its proper divisors (105563546595).

1372326105553 is a wasteful number, since it uses less digits than its factorization.

1372326105553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105563546594.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 1372326105553 in words is "one trillion, three hundred seventy-two billion, three hundred twenty-six million, one hundred five thousand, five hundred fifty-three".