115101011 has 4 divisors (see below), whose sum is σ = 116722224. Its totient is φ = 113479800.

The previous prime is 115100903. The next prime is 115101013. The reversal of 115101011 is 110101511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 115101011 - 2²² = 110906707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115100983 and 115101001.

It is not an unprimeable number, because it can be changed into a prime (115101013) 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, 810500 + ... + 810641.

It is an arithmetic number, because the mean of its divisors is an integer number (29180556).

Almost surely, 2^115101011 is an apocalyptic number.

115101011 is a deficient number, since it is larger than the sum of its proper divisors (1621213).

115101011 is an equidigital number, since it uses as much as digits as its factorization.

115101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621212.

The product of its (nonzero) digits is 5, while the sum is 11.

The square root of 115101011 is about 10728.5139231862. The cubic root of 115101011 is about 486.4367513994.

Adding to 115101011 its reverse (110101511), we get a palindrome (225202522).

It can be divided in two parts, 11510 and 1011, that added together give a palindrome (12521).

The spelling of 115101011 in words is "one hundred fifteen million, one hundred one thousand, eleven".