1011015161 has 16 divisors (see below), whose sum is σ = 1102410624. Its totient is φ = 921642624.

The previous prime is 1011015157. The next prime is 1011015191. The reversal of 1011015161 is 1615101101.

It is a cyclic number.

It is not a de Polignac number, because 1011015161 - 2² = 1011015157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011015101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352445 + ... + 355301.

It is an arithmetic number, because the mean of its divisors is an integer number (68900664).

Almost surely, 2^1011015161 is an apocalyptic number.

It is an amenable number.

1011015161 is a deficient number, since it is larger than the sum of its proper divisors (91395463).

1011015161 is a wasteful number, since it uses less digits than its factorization.

1011015161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200.

The product of its (nonzero) digits is 30, while the sum is 17.

The square root of 1011015161 is about 31796.4645990714. The cubic root of 1011015161 is about 1003.6583207028.

Adding to 1011015161 its reverse (1615101101), we get a palindrome (2626116262).

The spelling of 1011015161 in words is "one billion, eleven million, fifteen thousand, one hundred sixty-one".