1135215001 has 4 divisors (see below), whose sum is σ = 1201992372. Its totient is φ = 1068437632.

The previous prime is 1135214903. The next prime is 1135215023. The reversal of 1135215001 is 1005125311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1005125311 = 463 ⋅2170897.

It can be written as a sum of positive squares in 2 ways, for example, as 950118976 + 185096025 = 30824^2 + 13605^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135215001 - 2¹⁵ = 1135182233 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 1135215001.

It is not an unprimeable number, because it can be changed into a prime (1135215031) 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, 33388660 + ... + 33388693.

It is an arithmetic number, because the mean of its divisors is an integer number (300498093).

Almost surely, 2^1135215001 is an apocalyptic number.

It is an amenable number.

1135215001 is a deficient number, since it is larger than the sum of its proper divisors (66777371).

1135215001 is an equidigital number, since it uses as much as digits as its factorization.

1135215001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66777370.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1135215001 is about 33692.9518000427. The cubic root of 1135215001 is about 1043.1802922664.

The spelling of 1135215001 in words is "one billion, one hundred thirty-five million, two hundred fifteen thousand, one".