131520253345011 has 24 divisors (see below), whose sum is σ = 207637288020864. Its totient is φ = 79860495386880.

The previous prime is 131520253345007. The next prime is 131520253345043. The reversal of 131520253345011 is 110543352025131.

It is a happy number.

131520253345011 is a `hidden beast` number, since 1 + 3 + 1 + 52 + 0 + 253 + 345 + 0 + 11 = 666.

It is not a de Polignac number, because 131520253345011 - 2² = 131520253345007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131520253340011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13864664596 + ... + 13864674081.

It is an arithmetic number, because the mean of its divisors is an integer number (8651553667536).

Almost surely, 2^{131520253345011} is an apocalyptic number.

131520253345011 is a deficient number, since it is larger than the sum of its proper divisors (76117034675853).

131520253345011 is a wasteful number, since it uses less digits than its factorization.

131520253345011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27729338731 (or 27729338728 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 131520253345011 in words is "one hundred thirty-one trillion, five hundred twenty billion, two hundred fifty-three million, three hundred forty-five thousand, eleven".