61534510150507 has 2 divisors, whose sum is σ = 61534510150508. Its totient is φ = 61534510150506.

The previous prime is 61534510150417. The next prime is 61534510150513. The reversal of 61534510150507 is 70505101543516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61534510150507 - 2¹¹ = 61534510148459 is a prime.

It is not a weakly prime, because it can be changed into another prime (61534510450507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30767255075253 + 30767255075254.

It is an arithmetic number, because the mean of its divisors is an integer number (30767255075254).

Almost surely, 2^{61534510150507} is an apocalyptic number.

61534510150507 is a deficient number, since it is larger than the sum of its proper divisors (1).

61534510150507 is an equidigital number, since it uses as much as digits as its factorization.

61534510150507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315000, while the sum is 43.

The spelling of 61534510150507 in words is "sixty-one trillion, five hundred thirty-four billion, five hundred ten million, one hundred fifty thousand, five hundred seven".