1136260061 has 4 divisors (see below), whose sum is σ = 1136581824. Its totient is φ = 1135938300.

The previous prime is 1136260033. The next prime is 1136260091. The reversal of 1136260061 is 1600626311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1600626311 = 5623 ⋅284657.

It is a cyclic number.

It is not a de Polignac number, because 1136260061 - 2¹⁸ = 1135997917 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 1136260061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136260031) 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, 155525 + ... + 162666.

It is an arithmetic number, because the mean of its divisors is an integer number (284145456).

Almost surely, 2^1136260061 is an apocalyptic number.

It is an amenable number.

1136260061 is a deficient number, since it is larger than the sum of its proper divisors (321763).

1136260061 is an equidigital number, since it uses as much as digits as its factorization.

1136260061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321762.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1136260061 is about 33708.4568172439. The cubic root of 1136260061 is about 1043.5003055474.

Adding to 1136260061 its reverse (1600626311), we get a palindrome (2736886372).

The spelling of 1136260061 in words is "one billion, one hundred thirty-six million, two hundred sixty thousand, sixty-one".