1141515151 has 4 divisors (see below), whose sum is σ = 1304588752. Its totient is φ = 978441552.

The previous prime is 1141515103. The next prime is 1141515169. The reversal of 1141515151 is 1515151411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1515151411 = 3089 ⋅490499.

It is a cyclic number.

It is not a de Polignac number, because 1141515151 - 2¹³ = 1141506959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141515191) 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, 81536790 + ... + 81536803.

It is an arithmetic number, because the mean of its divisors is an integer number (326147188).

Almost surely, 2^1141515151 is an apocalyptic number.

1141515151 is a deficient number, since it is larger than the sum of its proper divisors (163073601).

1141515151 is an equidigital number, since it uses as much as digits as its factorization.

1141515151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163073600.

The product of its digits is 500, while the sum is 25.

The square root of 1141515151 is about 33786.3160317901. The cubic root of 1141515151 is about 1045.1065269943.

Adding to 1141515151 its reverse (1515151411), we get a palindrome (2656666562).

The spelling of 1141515151 in words is "one billion, one hundred forty-one million, five hundred fifteen thousand, one hundred fifty-one".