61267403061 has 48 divisors (see below), whose sum is σ = 92497204800. Its totient is φ = 39043420416.

The previous prime is 61267403039. The next prime is 61267403069. The reversal of 61267403061 is 16030476216.

It is a happy number.

61267403061 is a `hidden beast` number, since 612 + 6 + 7 + 4 + 0 + 30 + 6 + 1 = 666.

It is not a de Polignac number, because 61267403061 - 2⁶ = 61267402997 is a prime.

It is a super-5 number, since 5×61267403061⁵ (a number of 55 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61267403069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8590545 + ... + 8597673.

It is an arithmetic number, because the mean of its divisors is an integer number (1927025100).

Almost surely, 2^61267403061 is an apocalyptic number.

It is an amenable number.

61267403061 is a deficient number, since it is larger than the sum of its proper divisors (31229801739).

61267403061 is a wasteful number, since it uses less digits than its factorization.

61267403061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7650 (or 7647 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 61267403061 its reverse (16030476216), we get a palindrome (77297879277).

The spelling of 61267403061 in words is "sixty-one billion, two hundred sixty-seven million, four hundred three thousand, sixty-one".