61123501795 has 16 divisors (see below), whose sum is σ = 75659592960. Its totient is φ = 47369418624.

The previous prime is 61123501793. The next prime is 61123501889. The reversal of 61123501795 is 59710532116.

It is a cyclic number.

It is not a de Polignac number, because 61123501795 - 2¹ = 61123501793 is a prime.

It is a super-5 number, since 5×61123501795⁵ (a number of 55 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (61123501793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679027 + ... + 763756.

It is an arithmetic number, because the mean of its divisors is an integer number (4728724560).

Almost surely, 2^61123501795 is an apocalyptic number.

61123501795 is a deficient number, since it is larger than the sum of its proper divisors (14536091165).

61123501795 is a wasteful number, since it uses less digits than its factorization.

61123501795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443054.

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 61123501795 in words is "sixty-one billion, one hundred twenty-three million, five hundred one thousand, seven hundred ninety-five".