1101280351145 has 16 divisors (see below), whose sum is σ = 1423353851472. Its totient is φ = 813161306880.

The previous prime is 1101280351099. The next prime is 1101280351163. The reversal of 1101280351145 is 5411530821011.

It can be written as a sum of positive squares in 8 ways, for example, as 200962130944 + 900318220201 = 448288^2 + 948851^2 .

It is not a de Polignac number, because 1101280351145 - 2³² = 1096985383849 is a prime.

It is a super-2 number, since 2×1101280351145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374546 + ... + 1530635.

It is an arithmetic number, because the mean of its divisors is an integer number (88959615717).

Almost surely, 2^{1101280351145} is an apocalyptic number.

It is an amenable number.

1101280351145 is a deficient number, since it is larger than the sum of its proper divisors (322073500327).

1101280351145 is a wasteful number, since it uses less digits than its factorization.

1101280351145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914092.

The product of its (nonzero) digits is 4800, while the sum is 32.

The spelling of 1101280351145 in words is "one trillion, one hundred one billion, two hundred eighty million, three hundred fifty-one thousand, one hundred forty-five".