1345036777025 has 12 divisors (see below), whose sum is σ = 1712922512892. Its totient is φ = 1046947544640.

The previous prime is 1345036777001. The next prime is 1345036777027. The reversal of 1345036777025 is 5207776305431.

It can be written as a sum of positive squares in 6 ways, for example, as 48890958769 + 1296145818256 = 221113^2 + 1138484^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1345036777025 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345036777027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727045982 + ... + 727047831.

It is an arithmetic number, because the mean of its divisors is an integer number (142743542741).

Almost surely, 2^{1345036777025} is an apocalyptic number.

It is an amenable number.

1345036777025 is a deficient number, since it is larger than the sum of its proper divisors (367885735867).

1345036777025 is a wasteful number, since it uses less digits than its factorization.

1345036777025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454093860 (or 1454093855 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 50.

The spelling of 1345036777025 in words is "one trillion, three hundred forty-five billion, thirty-six million, seven hundred seventy-seven thousand, twenty-five".