1265655541150 has 576 divisors, whose sum is σ = 3391282944000. Its totient is φ = 340775424000.

The previous prime is 1265655541121. The next prime is 1265655541187. The reversal of 1265655541150 is 511455565621.

It is a self number, because there is not a number n which added to its sum of digits gives 1265655541150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2536383601 + ... + 2536384099.

It is an arithmetic number, because the mean of its divisors is an integer number (5887644000).

Almost surely, 2^{1265655541150} is an apocalyptic number.

1265655541150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1265655541150 is an abundant number, since it is smaller than the sum of its proper divisors (2125627402850).

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

1265655541150 is a wasteful number, since it uses less digits than its factorization.

1265655541150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 46.

The spelling of 1265655541150 in words is "one trillion, two hundred sixty-five billion, six hundred fifty-five million, five hundred forty-one thousand, one hundred fifty".