1515135505241 has 2 divisors, whose sum is σ = 1515135505242. Its totient is φ = 1515135505240.

The previous prime is 1515135505237. The next prime is 1515135505267. The reversal of 1515135505241 is 1425055315151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1331519827225 + 183615678016 = 1153915^2 + 428504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1515135505241 - 2² = 1515135505237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1515135505195 and 1515135505204.

It is not a weakly prime, because it can be changed into another prime (1515135505271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757567752620 + 757567752621.

It is an arithmetic number, because the mean of its divisors is an integer number (757567752621).

Almost surely, 2^{1515135505241} is an apocalyptic number.

It is an amenable number.

1515135505241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1515135505241 is an equidigital number, since it uses as much as digits as its factorization.

1515135505241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 1515135505241 in words is "one trillion, five hundred fifteen billion, one hundred thirty-five million, five hundred five thousand, two hundred forty-one".