1260136651248 has 140 divisors (see below), whose sum is σ = 3661554739248. Its totient is φ = 419935726080.

The previous prime is 1260136651201. The next prime is 1260136651259. The reversal of 1260136651248 is 8421566310621.

1260136651248 is a `hidden beast` number, since 1 + 2 + 60 + 1 + 36 + 6 + 512 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 53187661 + ... + 53211347.

Almost surely, 2^{1260136651248} is an apocalyptic number.

1260136651248 is a gapful number since it is divisible by the number (18) 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 1260136651248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830777369624).

1260136651248 is an abundant number, since it is smaller than the sum of its proper divisors (2401418088000).

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

1260136651248 is an equidigital number, since it uses as much as digits as its factorization.

1260136651248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28274 (or 28253 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 1260136651248 in words is "one trillion, two hundred sixty billion, one hundred thirty-six million, six hundred fifty-one thousand, two hundred forty-eight".