2115110154 has 16 divisors (see below), whose sum is σ = 4238912448. Its totient is φ = 703588032.

The previous prime is 2115110113. The next prime is 2115110159. The reversal of 2115110154 is 4510115112.

It is a self number, because there is not a number n which added to its sum of digits gives 2115110154.

It is not an unprimeable number, because it can be changed into a prime (2115110159) 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, 359007 + ... + 364850.

It is an arithmetic number, because the mean of its divisors is an integer number (264932028).

Almost surely, 2^2115110154 is an apocalyptic number.

2115110154 is an abundant number, since it is smaller than the sum of its proper divisors (2123802294).

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

2115110154 is a wasteful number, since it uses less digits than its factorization.

2115110154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724349.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 2115110154 is about 45990.3267437838. The cubic root of 2115110154 is about 1283.6432163950.

Adding to 2115110154 its reverse (4510115112), we get a palindrome (6625225266).

The spelling of 2115110154 in words is "two billion, one hundred fifteen million, one hundred ten thousand, one hundred fifty-four".