1148638050057 has 16 divisors (see below), whose sum is σ = 1643820454080. Its totient is φ = 710841272832.

The previous prime is 1148638050041. The next prime is 1148638050127. The reversal of 1148638050057 is 7500508368411.

It is not a de Polignac number, because 1148638050057 - 2⁴ = 1148638050041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1148638049988 and 1148638050015.

It is not an unprimeable number, because it can be changed into a prime (1148638050037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154258707 + ... + 154266152.

It is an arithmetic number, because the mean of its divisors is an integer number (102738778380).

Almost surely, 2^{1148638050057} is an apocalyptic number.

1148638050057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1148638050057 is a deficient number, since it is larger than the sum of its proper divisors (495182404023).

1148638050057 is a wasteful number, since it uses less digits than its factorization.

1148638050057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308524952.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 1148638050057 in words is "one trillion, one hundred forty-eight billion, six hundred thirty-eight million, fifty thousand, fifty-seven".