2151124130215 has 64 divisors (see below), whose sum is σ = 2763760176000. Its totient is φ = 1602671616000.

The previous prime is 2151124130189. The next prime is 2151124130249. The reversal of 2151124130215 is 5120314211512.

It is not a de Polignac number, because 2151124130215 - 2¹⁹ = 2151123605927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 843907761 + ... + 843910309.

It is an arithmetic number, because the mean of its divisors is an integer number (43183752750).

Almost surely, 2^{2151124130215} is an apocalyptic number.

2151124130215 is a deficient number, since it is larger than the sum of its proper divisors (612636045785).

2151124130215 is a wasteful number, since it uses less digits than its factorization.

2151124130215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 2151124130215 its reverse (5120314211512), we get a palindrome (7271438341727).

The spelling of 2151124130215 in words is "two trillion, one hundred fifty-one billion, one hundred twenty-four million, one hundred thirty thousand, two hundred fifteen".