61228126406407 has 8 divisors (see below), whose sum is σ = 61349285505872. Its totient is φ = 61107031368000.

The previous prime is 61228126406351. The next prime is 61228126406411. The reversal of 61228126406407 is 70460462182216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61228126406407 - 2¹¹ = 61228126404359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61228126406477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14101593 + ... + 17925154.

It is an arithmetic number, because the mean of its divisors is an integer number (7668660688234).

Almost surely, 2^{61228126406407} is an apocalyptic number.

61228126406407 is a deficient number, since it is larger than the sum of its proper divisors (121159099465).

61228126406407 is a wasteful number, since it uses less digits than its factorization.

61228126406407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32030529.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 61228126406407 in words is "sixty-one trillion, two hundred twenty-eight billion, one hundred twenty-six million, four hundred six thousand, four hundred seven".