1121138480578 has 16 divisors (see below), whose sum is σ = 1736694973440. Its totient is φ = 542255544000.

The previous prime is 1121138480509. The next prime is 1121138480621. The reversal of 1121138480578 is 8750848311211.

It is a super-3 number, since 3×1121138480578³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700023 + ... + 3991546.

It is an arithmetic number, because the mean of its divisors is an integer number (108543435840).

Almost surely, 2^{1121138480578} is an apocalyptic number.

1121138480578 is a deficient number, since it is larger than the sum of its proper divisors (615556492862).

1121138480578 is a wasteful number, since it uses less digits than its factorization.

1121138480578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693953.

The product of its (nonzero) digits is 430080, while the sum is 49.

The spelling of 1121138480578 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-eight million, four hundred eighty thousand, five hundred seventy-eight".