1135601501 has 2 divisors, whose sum is σ = 1135601502. Its totient is φ = 1135601500.

The previous prime is 1135601483. The next prime is 1135601539. The reversal of 1135601501 is 1051065311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 767345401 + 368256100 = 27701^2 + 19190^2 .

It is an emirp because it is prime and its reverse (1051065311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1135601501 - 2²⁶ = 1068492637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135601801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567800750 + 567800751.

It is an arithmetic number, because the mean of its divisors is an integer number (567800751).

Almost surely, 2^1135601501 is an apocalyptic number.

It is an amenable number.

1135601501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135601501 is an equidigital number, since it uses as much as digits as its factorization.

1135601501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1135601501 is about 33698.6869328762. The cubic root of 1135601501 is about 1043.2986673272.

Adding to 1135601501 its reverse (1051065311), we get a palindrome (2186666812).

The spelling of 1135601501 in words is "one billion, one hundred thirty-five million, six hundred one thousand, five hundred one".