131511157145 has 32 divisors (see below), whose sum is σ = 160683264000. Its totient is φ = 103316368320.

The previous prime is 131511157103. The next prime is 131511157243. The reversal of 131511157145 is 541751115131.

It is not a de Polignac number, because 131511157145 - 2⁶ = 131511157081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37583606 + ... + 37587104.

It is an arithmetic number, because the mean of its divisors is an integer number (5021352000).

Almost surely, 2^131511157145 is an apocalyptic number.

It is an amenable number.

131511157145 is a deficient number, since it is larger than the sum of its proper divisors (29172106855).

131511157145 is a wasteful number, since it uses less digits than its factorization.

131511157145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205.

The product of its digits is 10500, while the sum is 35.

The spelling of 131511157145 in words is "one hundred thirty-one billion, five hundred eleven million, one hundred fifty-seven thousand, one hundred forty-five".