2116612355401 has 8 divisors (see below), whose sum is σ = 2117189725640. Its totient is φ = 2116035073152.

The previous prime is 2116612355353. The next prime is 2116612355411. The reversal of 2116612355401 is 1045532166112.

It can be written as a sum of positive squares in 4 ways, for example, as 459007605001 + 1657604750400 = 677501^2 + 1287480^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2116612355401 - 2¹⁵ = 2116612322633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116612355411) 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, 93756151 + ... + 93778723.

It is an arithmetic number, because the mean of its divisors is an integer number (264648715705).

Almost surely, 2^{2116612355401} is an apocalyptic number.

It is an amenable number.

2116612355401 is a deficient number, since it is larger than the sum of its proper divisors (577370239).

2116612355401 is a wasteful number, since it uses less digits than its factorization.

2116612355401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43995.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 2116612355401 in words is "two trillion, one hundred sixteen billion, six hundred twelve million, three hundred fifty-five thousand, four hundred one".