1115464151 has 4 divisors (see below), whose sum is σ = 1121243952. Its totient is φ = 1109684352.

The previous prime is 1115464139. The next prime is 1115464157. The reversal of 1115464151 is 1514645111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1514645111 = 7 ⋅216377873.

It is a cyclic number.

It is not a de Polignac number, because 1115464151 - 2¹⁸ = 1115202007 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 (1115464157) 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, 2889611 + ... + 2889996.

It is an arithmetic number, because the mean of its divisors is an integer number (280310988).

Almost surely, 2^1115464151 is an apocalyptic number.

1115464151 is a deficient number, since it is larger than the sum of its proper divisors (5779801).

1115464151 is an equidigital number, since it uses as much as digits as its factorization.

1115464151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779800.

The product of its digits is 2400, while the sum is 29.

The square root of 1115464151 is about 33398.5651039083. The cubic root of 1115464151 is about 1037.0949968257.

The spelling of 1115464151 in words is "one billion, one hundred fifteen million, four hundred sixty-four thousand, one hundred fifty-one".