61051551000527 has 2 divisors, whose sum is σ = 61051551000528. Its totient is φ = 61051551000526.

The previous prime is 61051551000449. The next prime is 61051551000547. The reversal of 61051551000527 is 72500015515016.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61051551000527 - 2¹² = 61051550996431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61051551000547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525775500263 + 30525775500264.

It is an arithmetic number, because the mean of its divisors is an integer number (30525775500264).

Almost surely, 2^{61051551000527} is an apocalyptic number.

61051551000527 is a deficient number, since it is larger than the sum of its proper divisors (1).

61051551000527 is an equidigital number, since it uses as much as digits as its factorization.

61051551000527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52500, while the sum is 38.

The spelling of 61051551000527 in words is "sixty-one trillion, fifty-one billion, five hundred fifty-one million, five hundred twenty-seven", and thus it is an aban number.