1552142281831 has 4 divisors (see below), whose sum is σ = 1568143748752. Its totient is φ = 1536140814912.

The previous prime is 1552142281799. The next prime is 1552142281849. The reversal of 1552142281831 is 1381822412551.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1552142281831 - 2⁵ = 1552142281799 is a prime.

It is a super-2 number, since 2×1552142281831² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552142281871) 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, 8000733315 + ... + 8000733508.

It is an arithmetic number, because the mean of its divisors is an integer number (392035937188).

Almost surely, 2^{1552142281831} is an apocalyptic number.

1552142281831 is a deficient number, since it is larger than the sum of its proper divisors (16001466921).

1552142281831 is an equidigital number, since it uses as much as digits as its factorization.

1552142281831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16001466920.

The product of its digits is 153600, while the sum is 43.

The spelling of 1552142281831 in words is "one trillion, five hundred fifty-two billion, one hundred forty-two million, two hundred eighty-one thousand, eight hundred thirty-one".