1174978548099 has 12 divisors (see below), whose sum is σ = 1697392936200. Its totient is φ = 783225939744.

The previous prime is 1174978548031. The next prime is 1174978548101. The reversal of 1174978548099 is 9908458794711.

1174978548099 is a `hidden beast` number, since 1 + 1 + 7 + 4 + 9 + 78 + 548 + 0 + 9 + 9 = 666.

It is not a de Polignac number, because 1174978548099 - 2⁸ = 1174978547843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1174978548019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7677714 + ... + 7829255.

It is an arithmetic number, because the mean of its divisors is an integer number (141449411350).

Almost surely, 2^{1174978548099} is an apocalyptic number.

1174978548099 is a deficient number, since it is larger than the sum of its proper divisors (522414388101).

1174978548099 is a wasteful number, since it uses less digits than its factorization.

1174978548099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15515394 (or 15515391 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 72.

The spelling of 1174978548099 in words is "one trillion, one hundred seventy-four billion, nine hundred seventy-eight million, five hundred forty-eight thousand, ninety-nine".