2115464451 has 8 divisors (see below), whose sum is σ = 2820845904. Its totient is φ = 1410196320.

The previous prime is 2115464447. The next prime is 2115464471. The reversal of 2115464451 is 1544645112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2115464451 - 2² = 2115464447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2115464431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36285 + ... + 74481.

It is an arithmetic number, because the mean of its divisors is an integer number (352605738).

Almost surely, 2^2115464451 is an apocalyptic number.

2115464451 is a deficient number, since it is larger than the sum of its proper divisors (705381453).

2115464451 is a wasteful number, since it uses less digits than its factorization.

2115464451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56661.

The product of its digits is 19200, while the sum is 33.

The square root of 2115464451 is about 45994.1784468426. The cubic root of 2115464451 is about 1283.7148857197.

The spelling of 2115464451 in words is "two billion, one hundred fifteen million, four hundred sixty-four thousand, four hundred fifty-one".