61135112103 has 32 divisors (see below), whose sum is σ = 88084876992. Its totient is φ = 37492761600.

The previous prime is 61135112089. The next prime is 61135112117. The reversal of 61135112103 is 30121153116.

It is an interprime number because it is at equal distance from previous prime (61135112089) and next prime (61135112117).

It is not a de Polignac number, because 61135112103 - 2⁹ = 61135111591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61135112503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26614051 + ... + 26616347.

It is an arithmetic number, because the mean of its divisors is an integer number (2752652406).

Almost surely, 2^61135112103 is an apocalyptic number.

61135112103 is a deficient number, since it is larger than the sum of its proper divisors (26949764889).

61135112103 is a wasteful number, since it uses less digits than its factorization.

61135112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355.

The product of its (nonzero) digits is 540, while the sum is 24.

Adding to 61135112103 its reverse (30121153116), we get a palindrome (91256265219).

The spelling of 61135112103 in words is "sixty-one billion, one hundred thirty-five million, one hundred twelve thousand, one hundred three".