1266088567380 has 96 divisors (see below), whose sum is σ = 4363136004864. Its totient is φ = 267130773504.

The previous prime is 1266088567357. The next prime is 1266088567459. The reversal of 1266088567380 is 837658806621.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115936717 + ... + 115947636.

It is an arithmetic number, because the mean of its divisors is an integer number (45449333384).

Almost surely, 2^{1266088567380} is an apocalyptic number.

1266088567380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1266088567380 is an abundant number, since it is smaller than the sum of its proper divisors (3097047437484).

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

1266088567380 is a wasteful number, since it uses less digits than its factorization.

1266088567380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231884385 (or 231884383 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 1266088567380 in words is "one trillion, two hundred sixty-six billion, eighty-eight million, five hundred sixty-seven thousand, three hundred eighty".