1131205151425 has 6 divisors (see below), whose sum is σ = 1402694387798. Its totient is φ = 904964121120.

The previous prime is 1131205151411. The next prime is 1131205151491. The reversal of 1131205151425 is 5241515021311.

It can be written as a sum of positive squares in 3 ways, for example, as 165704356624 + 965500794801 = 407068^2 + 982599^2 .

It is not a de Polignac number, because 1131205151425 - 2⁹ = 1131205150913 is a prime.

It is a super-2 number, since 2×1131205151425² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22624103004 + ... + 22624103053.

Almost surely, 2^{1131205151425} is an apocalyptic number.

It is an amenable number.

1131205151425 is a deficient number, since it is larger than the sum of its proper divisors (271489236373).

1131205151425 is an equidigital number, since it uses as much as digits as its factorization.

1131205151425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45248206067 (or 45248206062 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 1131205151425 in words is "one trillion, one hundred thirty-one billion, two hundred five million, one hundred fifty-one thousand, four hundred twenty-five".