1015105061 has 2 divisors, whose sum is σ = 1015105062. Its totient is φ = 1015105060.

The previous prime is 1015105057. The next prime is 1015105099. The reversal of 1015105061 is 1605015101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 889530625 + 125574436 = 29825^2 + 11206^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015105061 - 2² = 1015105057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1015105361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507552530 + 507552531.

It is an arithmetic number, because the mean of its divisors is an integer number (507552531).

Almost surely, 2^1015105061 is an apocalyptic number.

It is an amenable number.

1015105061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015105061 is an equidigital number, since it uses as much as digits as its factorization.

1015105061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1015105061 is about 31860.7134414784. The cubic root of 1015105061 is about 1005.0098795263.

The spelling of 1015105061 in words is "one billion, fifteen million, one hundred five thousand, sixty-one".