131503554455 has 32 divisors (see below), whose sum is σ = 194541010944. Its totient is φ = 83100110976.

The previous prime is 131503554439. The next prime is 131503554467. The reversal of 131503554455 is 554455305131.

It is a cyclic number.

It is not a de Polignac number, because 131503554455 - 2⁴ = 131503554439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38114 + ... + 514256.

It is an arithmetic number, because the mean of its divisors is an integer number (6079406592).

Almost surely, 2^131503554455 is an apocalyptic number.

131503554455 is a deficient number, since it is larger than the sum of its proper divisors (63037456489).

131503554455 is a wasteful number, since it uses less digits than its factorization.

131503554455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476775.

The product of its (nonzero) digits is 450000, while the sum is 41.

Adding to 131503554455 its reverse (554455305131), we get a palindrome (685958859586).

The spelling of 131503554455 in words is "one hundred thirty-one billion, five hundred three million, five hundred fifty-four thousand, four hundred fifty-five".