1287551880296 has 16 divisors (see below), whose sum is σ = 2633628846240. Its totient is φ = 585250854640.

The previous prime is 1287551880289. The next prime is 1287551880299. The reversal of 1287551880296 is 6920881557821.

It is a super-2 number, since 2×1287551880296² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1287551880299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7315635596 + ... + 7315635771.

It is an arithmetic number, because the mean of its divisors is an integer number (164601802890).

Almost surely, 2^{1287551880296} is an apocalyptic number.

It is an amenable number.

1287551880296 is an abundant number, since it is smaller than the sum of its proper divisors (1346076965944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1287551880296 is a wasteful number, since it uses less digits than its factorization.

1287551880296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14631271384 (or 14631271380 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 62.

The spelling of 1287551880296 in words is "one trillion, two hundred eighty-seven billion, five hundred fifty-one million, eight hundred eighty thousand, two hundred ninety-six".