2141155515 has 16 divisors (see below), whose sum is σ = 3476982528. Its totient is φ = 1124905056.

The previous prime is 2141155501. The next prime is 2141155517. The reversal of 2141155515 is 5155511412.

It is not a de Polignac number, because 2141155515 - 2⁵ = 2141155483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2141155517) 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, 1064247 + ... + 1066256.

It is an arithmetic number, because the mean of its divisors is an integer number (217311408).

Almost surely, 2^2141155515 is an apocalyptic number.

2141155515 is a deficient number, since it is larger than the sum of its proper divisors (1335827013).

2141155515 is a wasteful number, since it uses less digits than its factorization.

2141155515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130578.

The product of its digits is 5000, while the sum is 30.

The square root of 2141155515 is about 46272.6216568718. The cubic root of 2141155515 is about 1288.8906423202.

Adding to 2141155515 its reverse (5155511412), we get a palindrome (7296666927).

The spelling of 2141155515 in words is "two billion, one hundred forty-one million, one hundred fifty-five thousand, five hundred fifteen".