61103240675 has 12 divisors (see below), whose sum is σ = 80224961256. Its totient is φ = 46007145600.

The previous prime is 61103240629. The next prime is 61103240677. The reversal of 61103240675 is 57604230116.

It is not a de Polignac number, because 61103240675 - 2²⁶ = 61036131811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61103240677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71885741 + ... + 71886590.

It is an arithmetic number, because the mean of its divisors is an integer number (6685413438).

Almost surely, 2^61103240675 is an apocalyptic number.

61103240675 is a deficient number, since it is larger than the sum of its proper divisors (19121720581).

61103240675 is a wasteful number, since it uses less digits than its factorization.

61103240675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143772358 (or 143772353 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 61103240675 in words is "sixty-one billion, one hundred three million, two hundred forty thousand, six hundred seventy-five".