2781148577351 has 2 divisors, whose sum is σ = 2781148577352. Its totient is φ = 2781148577350.

The previous prime is 2781148577267. The next prime is 2781148577387. The reversal of 2781148577351 is 1537758411872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2781148577351 - 2¹⁸ = 2781148315207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2781148571351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390574288675 + 1390574288676.

It is an arithmetic number, because the mean of its divisors is an integer number (1390574288676).

Almost surely, 2^{2781148577351} is an apocalyptic number.

2781148577351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2781148577351 is an equidigital number, since it uses as much as digits as its factorization.

2781148577351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13171200, while the sum is 59.

The spelling of 2781148577351 in words is "two trillion, seven hundred eighty-one billion, one hundred forty-eight million, five hundred seventy-seven thousand, three hundred fifty-one".