61032432502451 has 2 divisors, whose sum is σ = 61032432502452. Its totient is φ = 61032432502450.

The previous prime is 61032432502421. The next prime is 61032432502487. The reversal of 61032432502451 is 15420523423016.

61032432502451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61032432502451 - 2⁴² = 56634385991347 is a prime.

It is not a weakly prime, because it can be changed into another prime (61032432502411) 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 as a sum of consecutive naturals, namely, 30516216251225 + 30516216251226.

It is an arithmetic number, because the mean of its divisors is an integer number (30516216251226).

Almost surely, 2^{61032432502451} is an apocalyptic number.

61032432502451 is a deficient number, since it is larger than the sum of its proper divisors (1).

61032432502451 is an equidigital number, since it uses as much as digits as its factorization.

61032432502451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 61032432502451 its reverse (15420523423016), we get a palindrome (76452955925467).

The spelling of 61032432502451 in words is "sixty-one trillion, thirty-two billion, four hundred thirty-two million, five hundred two thousand, four hundred fifty-one".