1136081601 has 6 divisors (see below), whose sum is σ = 1641006770. Its totient is φ = 757387728.

The previous prime is 1136081581. The next prime is 1136081621. The reversal of 1136081601 is 1061806311.

It is an interprime number because it is at equal distance from previous prime (1136081581) and next prime (1136081621).

It can be written as a sum of positive squares in only one way, i.e., 1015059600 + 121022001 = 31860^2 + 11001^2 .

It is not a de Polignac number, because 1136081601 - 2⁶ = 1136081537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136081621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63115636 + ... + 63115653.

Almost surely, 2^1136081601 is an apocalyptic number.

It is an amenable number.

1136081601 is a deficient number, since it is larger than the sum of its proper divisors (504925169).

1136081601 is a wasteful number, since it uses less digits than its factorization.

1136081601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126231295 (or 126231292 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1136081601 is about 33705.8096030936. The cubic root of 1136081601 is about 1043.4456722755.

Adding to 1136081601 its reverse (1061806311), we get a palindrome (2197887912).

The spelling of 1136081601 in words is "one billion, one hundred thirty-six million, eighty-one thousand, six hundred one".