1290880531851 has 16 divisors (see below), whose sum is σ = 1767882919968. Its totient is φ = 837237600000.

The previous prime is 1290880531819. The next prime is 1290880531867. The reversal of 1290880531851 is 1581350880921.

It is not a de Polignac number, because 1290880531851 - 2⁵ = 1290880531819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1290880531794 and 1290880531803.

It is not an unprimeable number, because it can be changed into a prime (1290880531151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414351 + ... + 1659351.

It is an arithmetic number, because the mean of its divisors is an integer number (110492682498).

Almost surely, 2^{1290880531851} is an apocalyptic number.

1290880531851 is a deficient number, since it is larger than the sum of its proper divisors (477002388117).

1290880531851 is a wasteful number, since it uses less digits than its factorization.

1290880531851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254382.

The product of its (nonzero) digits is 691200, while the sum is 51.

The spelling of 1290880531851 in words is "one trillion, two hundred ninety billion, eight hundred eighty million, five hundred thirty-one thousand, eight hundred fifty-one".