1135210051 has 4 divisors (see below), whose sum is σ = 1135643832. Its totient is φ = 1134776272.

The previous prime is 1135210031. The next prime is 1135210121. The reversal of 1135210051 is 1500125311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1500125311 = 29 ⋅51728459.

It is a cyclic number.

It is not a de Polignac number, because 1135210051 - 2⁷ = 1135209923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135210031) 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, 212941 + ... + 218206.

It is an arithmetic number, because the mean of its divisors is an integer number (283910958).

Almost surely, 2^1135210051 is an apocalyptic number.

1135210051 is a deficient number, since it is larger than the sum of its proper divisors (433781).

1135210051 is an equidigital number, since it uses as much as digits as its factorization.

1135210051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433780.

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

The square root of 1135210051 is about 33692.8783424628. The cubic root of 1135210051 is about 1043.1787760338.

Adding to 1135210051 its reverse (1500125311), we get a palindrome (2635335362).

The spelling of 1135210051 in words is "one billion, one hundred thirty-five million, two hundred ten thousand, fifty-one".