15135066541 has 6 divisors (see below), whose sum is σ = 17606097870. Its totient is φ = 12972914136.

The previous prime is 15135066491. The next prime is 15135066593. The reversal of 15135066541 is 14566053151.

It can be written as a sum of positive squares in only one way, i.e., 14156002441 + 979064100 = 118979^2 + 31290^2 .

It is not a de Polignac number, because 15135066541 - 2¹¹ = 15135064493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15135066541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15135064541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154439406 + ... + 154439503.

It is an arithmetic number, because the mean of its divisors is an integer number (2934349645).

Almost surely, 2^15135066541 is an apocalyptic number.

It is an amenable number.

15135066541 is a deficient number, since it is larger than the sum of its proper divisors (2471031329).

15135066541 is an equidigital number, since it uses as much as digits as its factorization.

15135066541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308878923 (or 308878916 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 15135066541 in words is "fifteen billion, one hundred thirty-five million, sixty-six thousand, five hundred forty-one".