131115351551210 has 32 divisors (see below), whose sum is σ = 258957576778320. Its totient is φ = 47498391502848.

The previous prime is 131115351551209. The next prime is 131115351551231. The reversal of 131115351551210 is 12155153511131.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 14250149353969 + 116865202197241 = 3774937^2 + 10810421^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9514895255 + ... + 9514909034.

Almost surely, 2^{131115351551210} is an apocalyptic number.

131115351551210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131115351551210 is a deficient number, since it is larger than the sum of its proper divisors (127842225227110).

131115351551210 is a wasteful number, since it uses less digits than its factorization.

131115351551210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19029804362.

The product of its (nonzero) digits is 11250, while the sum is 35.

The spelling of 131115351551210 in words is "one hundred thirty-one trillion, one hundred fifteen billion, three hundred fifty-one million, five hundred fifty-one thousand, two hundred ten".