2115211354 has 16 divisors (see below), whose sum is σ = 3217986792. Its totient is φ = 1042564608.

The previous prime is 2115211337. The next prime is 2115211369. The reversal of 2115211354 is 4531125112.

It can be written as a sum of positive squares in 4 ways, for example, as 2105433225 + 9778129 = 45885^2 + 3127^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481512 + ... + 485884.

Almost surely, 2^2115211354 is an apocalyptic number.

2115211354 is a deficient number, since it is larger than the sum of its proper divisors (1102775438).

2115211354 is a wasteful number, since it uses less digits than its factorization.

2115211354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761.

The product of its digits is 1200, while the sum is 25.

The square root of 2115211354 is about 45991.4269619893. The cubic root of 2115211354 is about 1283.6636885552.

Adding to 2115211354 its reverse (4531125112), we get a palindrome (6646336466).

The spelling of 2115211354 in words is "two billion, one hundred fifteen million, two hundred eleven thousand, three hundred fifty-four".