131254205553 has 12 divisors (see below), whose sum is σ = 189594666820. Its totient is φ = 87500376576.

The previous prime is 131254205549. The next prime is 131254205611. The reversal of 131254205553 is 355502452131.

131254205553 is a `hidden beast` number, since 1 + 3 + 12 + 542 + 0 + 55 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 123599355489 + 7654850064 = 351567^2 + 87492^2 .

It is not a de Polignac number, because 131254205553 - 2² = 131254205549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131254205513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177825 + ... + 542337.

Almost surely, 2^131254205553 is an apocalyptic number.

It is an amenable number.

131254205553 is a deficient number, since it is larger than the sum of its proper divisors (58340461267).

131254205553 is a wasteful number, since it uses less digits than its factorization.

131254205553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404528 (or 404525 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 131254205553 its reverse (355502452131), we get a palindrome (486756657684).

The spelling of 131254205553 in words is "one hundred thirty-one billion, two hundred fifty-four million, two hundred five thousand, five hundred fifty-three".