115111461 has 16 divisors (see below), whose sum is σ = 155525760. Its totient is φ = 75724800.

The previous prime is 115111439. The next prime is 115111483. The reversal of 115111461 is 164111511.

It is an interprime number because it is at equal distance from previous prime (115111439) and next prime (115111483).

It is not a de Polignac number, because 115111461 - 2⁵ = 115111429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115111961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123445 + ... + 124373.

It is an arithmetic number, because the mean of its divisors is an integer number (9720360).

Almost surely, 2^115111461 is an apocalyptic number.

It is an amenable number.

115111461 is a deficient number, since it is larger than the sum of its proper divisors (40414299).

115111461 is a wasteful number, since it uses less digits than its factorization.

115111461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436.

The product of its digits is 120, while the sum is 21.

The square root of 115111461 is about 10729.0009320533. Note that the first 3 decimals coincide. The cubic root of 115111461 is about 486.4514721222.

Adding to 115111461 its reverse (164111511), we get a palindrome (279222972).

Subtracting 115111461 from its reverse (164111511), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 115111461 in words is "one hundred fifteen million, one hundred eleven thousand, four hundred sixty-one".