15150115061 has 4 divisors (see below), whose sum is σ = 15150384972. Its totient is φ = 15149845152.

The previous prime is 15150115027. The next prime is 15150115091. The reversal of 15150115061 is 16051105151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1156408036 + 13993707025 = 34006^2 + 118295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15150115061 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 15150115061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15150115091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15536 + ... + 174761.

It is an arithmetic number, because the mean of its divisors is an integer number (3787596243).

Almost surely, 2^15150115061 is an apocalyptic number.

It is an amenable number.

15150115061 is a deficient number, since it is larger than the sum of its proper divisors (269911).

15150115061 is an equidigital number, since it uses as much as digits as its factorization.

15150115061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269910.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 15150115061 in words is "fifteen billion, one hundred fifty million, one hundred fifteen thousand, sixty-one".