1248545803955 has 8 divisors (see below), whose sum is σ = 1498595735952. Its totient is φ = 998609462368.

The previous prime is 1248545803951. The next prime is 1248545804041. The reversal of 1248545803955 is 5593085458421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1248545803955 - 2² = 1248545803951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1248545803894 and 1248545803903.

It is not an unprimeable number, because it can be changed into a prime (1248545803951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28373417 + ... + 28417386.

It is an arithmetic number, because the mean of its divisors is an integer number (187324466994).

Almost surely, 2^{1248545803955} is an apocalyptic number.

1248545803955 is a deficient number, since it is larger than the sum of its proper divisors (250049931997).

1248545803955 is an equidigital number, since it uses as much as digits as its factorization.

1248545803955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56795205.

The product of its (nonzero) digits is 34560000, while the sum is 59.

The spelling of 1248545803955 in words is "one trillion, two hundred forty-eight billion, five hundred forty-five million, eight hundred three thousand, nine hundred fifty-five".