48021156665428 has 12 divisors (see below), whose sum is σ = 84286392191092. Its totient is φ = 23939330325120.

The previous prime is 48021156665359. The next prime is 48021156665437. The reversal of 48021156665428 is 82456665112084.

It can be written as a sum of positive squares in 2 ways, for example, as 6927697730704 + 41093458934724 = 2632052^2 + 6410418^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17812000383 + ... + 17812003078.

Almost surely, 2^{48021156665428} is an apocalyptic number.

It is an amenable number.

48021156665428 is a deficient number, since it is larger than the sum of its proper divisors (36265235525664).

48021156665428 is a wasteful number, since it uses less digits than its factorization.

48021156665428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35624003802 (or 35624003800 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 58.

The spelling of 48021156665428 in words is "forty-eight trillion, twenty-one billion, one hundred fifty-six million, six hundred sixty-five thousand, four hundred twenty-eight".