131255542501 has 16 divisors (see below), whose sum is σ = 133374193920. Its totient is φ = 129154772160.

The previous prime is 131255542489. The next prime is 131255542519. The reversal of 131255542501 is 105245552131.

It is a cyclic number.

It is not a de Polignac number, because 131255542501 - 2⁷ = 131255542373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131255542541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36651531 + ... + 36655111.

It is an arithmetic number, because the mean of its divisors is an integer number (8335887120).

Almost surely, 2^131255542501 is an apocalyptic number.

It is an amenable number.

131255542501 is a deficient number, since it is larger than the sum of its proper divisors (2118651419).

131255542501 is a wasteful number, since it uses less digits than its factorization.

131255542501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 131255542501 in words is "one hundred thirty-one billion, two hundred fifty-five million, five hundred forty-two thousand, five hundred one".