1265058058880 has 768 divisors, whose sum is σ = 3973270855680. Its totient is φ = 376571289600.

The previous prime is 1265058058871. The next prime is 1265058058889. The reversal of 1265058058880 is 888508505621.

It is an interprime number because it is at equal distance from previous prime (1265058058871) and next prime (1265058058889).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (1265058058889) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1394771387 + ... + 1394772293.

It is an arithmetic number, because the mean of its divisors is an integer number (5173529760).

Almost surely, 2^{1265058058880} is an apocalyptic number.

1265058058880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1265058058880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986635427840).

1265058058880 is an abundant number, since it is smaller than the sum of its proper divisors (2708212796800).

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

1265058058880 is a wasteful number, since it uses less digits than its factorization.

1265058058880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 56.

The spelling of 1265058058880 in words is "one trillion, two hundred sixty-five billion, fifty-eight million, fifty-eight thousand, eight hundred eighty".