2115210461 has 16 divisors (see below), whose sum is σ = 2606636928. Its totient is φ = 1671451200.

The previous prime is 2115210437. The next prime is 2115210469. The reversal of 2115210461 is 1640125112.

It is a cyclic number.

It is not a de Polignac number, because 2115210461 - 2¹⁸ = 2114948317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115210469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59471 + ... + 88131.

It is an arithmetic number, because the mean of its divisors is an integer number (162914808).

Almost surely, 2^2115210461 is an apocalyptic number.

It is an amenable number.

2115210461 is a deficient number, since it is larger than the sum of its proper divisors (491426467).

2115210461 is a wasteful number, since it uses less digits than its factorization.

2115210461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29492.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2115210461 is about 45991.4172536572. The cubic root of 2115210461 is about 1283.6635079095.

Adding to 2115210461 its reverse (1640125112), we get a palindrome (3755335573).

It can be divided in two parts, 21152 and 10461, that added together give a palindrome (31613).

The spelling of 2115210461 in words is "two billion, one hundred fifteen million, two hundred ten thousand, four hundred sixty-one".