1053172151509 has 2 divisors, whose sum is σ = 1053172151510. Its totient is φ = 1053172151508.

The previous prime is 1053172151413. The next prime is 1053172151513. The reversal of 1053172151509 is 9051512713501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 874879622500 + 178292529009 = 935350^2 + 422247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053172151509 - 2³³ = 1044582216917 is a prime.

It is a super-2 number, since 2×1053172151509² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053172151309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526586075754 + 526586075755.

It is an arithmetic number, because the mean of its divisors is an integer number (526586075755).

Almost surely, 2^{1053172151509} is an apocalyptic number.

It is an amenable number.

1053172151509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053172151509 is an equidigital number, since it uses as much as digits as its factorization.

1053172151509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 40.

The spelling of 1053172151509 in words is "one trillion, fifty-three billion, one hundred seventy-two million, one hundred fifty-one thousand, five hundred nine".