1148353647531 has 8 divisors (see below), whose sum is σ = 1583936065680. Its totient is φ = 739170163872.

The previous prime is 1148353647527. The next prime is 1148353647541. The reversal of 1148353647531 is 1357463538411.

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

It is not a de Polignac number, because 1148353647531 - 2² = 1148353647527 is a prime.

It is a super-2 number, since 2×1148353647531² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1148353647541) 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, 6599733520 + ... + 6599733693.

It is an arithmetic number, because the mean of its divisors is an integer number (197992008210).

Almost surely, 2^{1148353647531} is an apocalyptic number.

1148353647531 is a deficient number, since it is larger than the sum of its proper divisors (435582418149).

1148353647531 is a wasteful number, since it uses less digits than its factorization.

1148353647531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199467245.

The product of its digits is 3628800, while the sum is 51.

The spelling of 1148353647531 in words is "one trillion, one hundred forty-eight billion, three hundred fifty-three million, six hundred forty-seven thousand, five hundred thirty-one".