2115514354 has 4 divisors (see below), whose sum is σ = 3173271534. Its totient is φ = 1057757176.

The previous prime is 2115514339. The next prime is 2115514361. The reversal of 2115514354 is 4534155112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2109289329 + 6225025 = 45927^2 + 2495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528878587 + ... + 528878590.

Almost surely, 2^2115514354 is an apocalyptic number.

2115514354 is a deficient number, since it is larger than the sum of its proper divisors (1057757180).

2115514354 is a wasteful number, since it uses less digits than its factorization.

2115514354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057757179.

The product of its digits is 12000, while the sum is 31.

The square root of 2115514354 is about 45994.7209362118. The cubic root of 2115514354 is about 1283.7249797553.

Adding to 2115514354 its reverse (4534155112), we get a palindrome (6649669466).

The spelling of 2115514354 in words is "two billion, one hundred fifteen million, five hundred fourteen thousand, three hundred fifty-four".