115111448153 has 4 divisors (see below), whose sum is σ = 123966174948. Its totient is φ = 106256721360.

The previous prime is 115111448147. The next prime is 115111448167. The reversal of 115111448153 is 351844111511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38442268489 + 76669179664 = 196067^2 + 276892^2 .

It is a cyclic number.

It is not a de Polignac number, because 115111448153 - 2¹² = 115111444057 is a prime.

It is a super-2 number, since 2×115111448153² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115111448143) 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, 4427363378 + ... + 4427363403.

It is an arithmetic number, because the mean of its divisors is an integer number (30991543737).

Almost surely, 2^115111448153 is an apocalyptic number.

115111448153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

115111448153 is a deficient number, since it is larger than the sum of its proper divisors (8854726795).

115111448153 is an equidigital number, since it uses as much as digits as its factorization.

115111448153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854726794.

The product of its digits is 9600, while the sum is 35.

Adding to 115111448153 its reverse (351844111511), we get a palindrome (466955559664).

The spelling of 115111448153 in words is "one hundred fifteen billion, one hundred eleven million, four hundred forty-eight thousand, one hundred fifty-three".