2116428542537 has 8 divisors (see below), whose sum is σ = 2227842751200. Its totient is φ = 2005016657184.

The previous prime is 2116428542531. The next prime is 2116428542551. The reversal of 2116428542537 is 7352458246112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2116428542537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116428542531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475789 + ... + 2531957.

It is an arithmetic number, because the mean of its divisors is an integer number (278480343900).

Almost surely, 2^{2116428542537} is an apocalyptic number.

It is an amenable number.

2116428542537 is a deficient number, since it is larger than the sum of its proper divisors (111414208663).

2116428542537 is a wasteful number, since it uses less digits than its factorization.

2116428542537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161655.

The product of its digits is 3225600, while the sum is 50.

The spelling of 2116428542537 in words is "two trillion, one hundred sixteen billion, four hundred twenty-eight million, five hundred forty-two thousand, five hundred thirty-seven".