2115773754 has 16 divisors (see below), whose sum is σ = 4232263392. Its totient is φ = 705138608.

The previous prime is 2115773753. The next prime is 2115773767. The reversal of 2115773754 is 4573775112.

2115773754 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2115773753) 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, 13417 + ... + 66419.

It is an arithmetic number, because the mean of its divisors is an integer number (264516462).

Almost surely, 2^2115773754 is an apocalyptic number.

2115773754 is an abundant number, since it is smaller than the sum of its proper divisors (2116489638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115773754 is a wasteful number, since it uses less digits than its factorization.

2115773754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59661.

The product of its digits is 205800, while the sum is 42.

The square root of 2115773754 is about 45997.5407386091. The cubic root of 2115773754 is about 1283.7774468460. Note that the first 3 decimals are identical.

The spelling of 2115773754 in words is "two billion, one hundred fifteen million, seven hundred seventy-three thousand, seven hundred fifty-four".