1048409621955 has 12 divisors (see below), whose sum is σ = 1817243344800. Its totient is φ = 559151798352.

The previous prime is 1048409621933. The next prime is 1048409621983. The reversal of 1048409621955 is 5591269048401.

1048409621955 is a `hidden beast` number, since 1 + 0 + 4 + 8 + 4 + 0 + 9 + 621 + 9 + 5 + 5 = 666.

It is not a de Polignac number, because 1048409621955 - 2⁵ = 1048409621923 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11648995755 + ... + 11648995844.

It is an arithmetic number, because the mean of its divisors is an integer number (151436945400).

Almost surely, 2^{1048409621955} is an apocalyptic number.

1048409621955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1048409621955 is a deficient number, since it is larger than the sum of its proper divisors (768833722845).

1048409621955 is a wasteful number, since it uses less digits than its factorization.

1048409621955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23297991610 (or 23297991607 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 1048409621955 in words is "one trillion, forty-eight billion, four hundred nine million, six hundred twenty-one thousand, nine hundred fifty-five".