1148557238707 has 8 divisors (see below), whose sum is σ = 1175619474432. Its totient is φ = 1121797374600.

The previous prime is 1148557238701. The next prime is 1148557238767. The reversal of 1148557238707 is 7078327558411.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1148557238707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148557238701) 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, 75585219 + ... + 75600412.

It is an arithmetic number, because the mean of its divisors is an integer number (146952434304).

Almost surely, 2^{1148557238707} is an apocalyptic number.

1148557238707 is a deficient number, since it is larger than the sum of its proper divisors (27062235725).

1148557238707 is a wasteful number, since it uses less digits than its factorization.

1148557238707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151185809.

The product of its (nonzero) digits is 13171200, while the sum is 58.

The spelling of 1148557238707 in words is "one trillion, one hundred forty-eight billion, five hundred fifty-seven million, two hundred thirty-eight thousand, seven hundred seven".