1052154388889 has 4 divisors (see below), whose sum is σ = 1053146052900. Its totient is φ = 1051162724880.

The previous prime is 1052154388861. The next prime is 1052154388903. The reversal of 1052154388889 is 9888834512501.

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 948909774400 + 103244614489 = 974120^2 + 321317^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052154388889 - 2⁸ = 1052154388633 is a prime.

It is a super-2 number, since 2×1052154388889² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052154388289) 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, 495830414 + ... + 495832535.

It is an arithmetic number, because the mean of its divisors is an integer number (263286513225).

Almost surely, 2^{1052154388889} is an apocalyptic number.

It is an amenable number.

1052154388889 is a deficient number, since it is larger than the sum of its proper divisors (991664011).

1052154388889 is an equidigital number, since it uses as much as digits as its factorization.

1052154388889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991664010.

The product of its (nonzero) digits is 22118400, while the sum is 62.

The spelling of 1052154388889 in words is "one trillion, fifty-two billion, one hundred fifty-four million, three hundred eighty-eight thousand, eight hundred eighty-nine".