11515101061 has 8 divisors (see below), whose sum is σ = 11623082240. Its totient is φ = 11407162608.

The previous prime is 11515101007. The next prime is 11515101077. The reversal of 11515101061 is 16010151511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11515101061 - 2⁹ = 11515100549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11515101761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857380 + ... + 870706.

It is an arithmetic number, because the mean of its divisors is an integer number (1452885280).

Almost surely, 2^11515101061 is an apocalyptic number.

It is an amenable number.

11515101061 is a deficient number, since it is larger than the sum of its proper divisors (107981179).

11515101061 is a wasteful number, since it uses less digits than its factorization.

11515101061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21363.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 11515101061 its reverse (16010151511), we get a palindrome (27525252572).

The spelling of 11515101061 in words is "eleven billion, five hundred fifteen million, one hundred one thousand, sixty-one".