116445436131021 has 4 divisors (see below), whose sum is σ = 155260581508032. Its totient is φ = 77630290754012.

The previous prime is 116445436130987. The next prime is 116445436131047. The reversal of 116445436131021 is 120131634544611.

116445436131021 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116445436131021 - 2⁶ = 116445436130957 is a prime.

It is a super-4 number, since 4×116445436131021⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116445436131061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19407572688501 + ... + 19407572688506.

It is an arithmetic number, because the mean of its divisors is an integer number (38815145377008).

Almost surely, 2^{116445436131021} is an apocalyptic number.

It is an amenable number.

116445436131021 is a deficient number, since it is larger than the sum of its proper divisors (38815145377011).

116445436131021 is an equidigital number, since it uses as much as digits as its factorization.

116445436131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38815145377010.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 116445436131021 in words is "one hundred sixteen trillion, four hundred forty-five billion, four hundred thirty-six million, one hundred thirty-one thousand, twenty-one".