61054514455387 has 2 divisors, whose sum is σ = 61054514455388. Its totient is φ = 61054514455386.

The previous prime is 61054514455313. The next prime is 61054514455427. The reversal of 61054514455387 is 78355441545016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61054514455387 is a prime.

It is not a weakly prime, because it can be changed into another prime (61054514450387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30527257227693 + 30527257227694.

It is an arithmetic number, because the mean of its divisors is an integer number (30527257227694).

Almost surely, 2^{61054514455387} is an apocalyptic number.

61054514455387 is a deficient number, since it is larger than the sum of its proper divisors (1).

61054514455387 is an equidigital number, since it uses as much as digits as its factorization.

61054514455387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320000, while the sum is 58.

The spelling of 61054514455387 in words is "sixty-one trillion, fifty-four billion, five hundred fourteen million, four hundred fifty-five thousand, three hundred eighty-seven".