1148786546472 has 24 divisors (see below), whose sum is σ = 3111296896890. Its totient is φ = 382928848800.

The previous prime is 1148786546389. The next prime is 1148786546521. The reversal of 1148786546472 is 2746456878411.

1148786546472 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 7 + 86 + 546 + 4 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 809147024676 + 339639521796 = 899526^2 + 582786^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7977684279 + ... + 7977684422.

Almost surely, 2^{1148786546472} is an apocalyptic number.

1148786546472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1148786546472 is an abundant number, since it is smaller than the sum of its proper divisors (1962510350418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148786546472 is a wasteful number, since it uses less digits than its factorization.

1148786546472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15955368713 (or 15955368706 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 63.

The spelling of 1148786546472 in words is "one trillion, one hundred forty-eight billion, seven hundred eighty-six million, five hundred forty-six thousand, four hundred seventy-two".