1123015542064 has 40 divisors (see below), whose sum is σ = 2343321462272. Its totient is φ = 518291343360.

The previous prime is 1123015542043. The next prime is 1123015542091. The reversal of 1123015542064 is 4602455103211.

It is a super-2 number, since 2×1123015542064² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4981777 + ... + 5202319.

Almost surely, 2^{1123015542064} is an apocalyptic number.

It is an amenable number.

1123015542064 is an abundant number, since it is smaller than the sum of its proper divisors (1220305920208).

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

1123015542064 is a wasteful number, since it uses less digits than its factorization.

1123015542064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245045 (or 245039 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 1123015542064 in words is "one trillion, one hundred twenty-three billion, fifteen million, five hundred forty-two thousand, sixty-four".