1552112132401 has 4 divisors (see below), whose sum is σ = 1562528992500. Its totient is φ = 1541695272304.

The previous prime is 1552112132399. The next prime is 1552112132419. The reversal of 1552112132401 is 1042312112551.

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 687035423376 + 865076709025 = 828876^2 + 930095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552112132401 - 2¹ = 1552112132399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1552112132401.

It is not an unprimeable number, because it can be changed into a prime (1552112132491) 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, 5208429826 + ... + 5208430123.

It is an arithmetic number, because the mean of its divisors is an integer number (390632248125).

Almost surely, 2^{1552112132401} is an apocalyptic number.

It is an amenable number.

1552112132401 is a deficient number, since it is larger than the sum of its proper divisors (10416860099).

1552112132401 is a wasteful number, since it uses less digits than its factorization.

1552112132401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10416860098.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 1552112132401 its reverse (1042312112551), we get a palindrome (2594424244952).

The spelling of 1552112132401 in words is "one trillion, five hundred fifty-two billion, one hundred twelve million, one hundred thirty-two thousand, four hundred one".