131025455554 has 16 divisors (see below), whose sum is σ = 224640782208. Its totient is φ = 56147337792.

The previous prime is 131025455549. The next prime is 131025455581. The reversal of 131025455554 is 455554520131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408039 + ... + 654634.

It is an arithmetic number, because the mean of its divisors is an integer number (14040048888).

Almost surely, 2^131025455554 is an apocalyptic number.

131025455554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131025455554 is a deficient number, since it is larger than the sum of its proper divisors (93615326654).

131025455554 is a wasteful number, since it uses less digits than its factorization.

131025455554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071489.

The product of its (nonzero) digits is 300000, while the sum is 40.

Adding to 131025455554 its reverse (455554520131), we get a palindrome (586579975685).

The spelling of 131025455554 in words is "one hundred thirty-one billion, twenty-five million, four hundred fifty-five thousand, five hundred fifty-four".