2151130203251 has 8 divisors (see below), whose sum is σ = 2169275651280. Its totient is φ = 2133052844032.

The previous prime is 2151130203247. The next prime is 2151130203293. The reversal of 2151130203251 is 1523020311512.

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

It is a cyclic number.

It is not a de Polignac number, because 2151130203251 - 2² = 2151130203247 is a prime.

It is a super-2 number, since 2×2151130203251² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2151130203251.

It is not an unprimeable number, because it can be changed into a prime (2151130203241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16958750 + ... + 17085123.

It is an arithmetic number, because the mean of its divisors is an integer number (271159456410).

Almost surely, 2^{2151130203251} is an apocalyptic number.

2151130203251 is a deficient number, since it is larger than the sum of its proper divisors (18145448029).

2151130203251 is a wasteful number, since it uses less digits than its factorization.

2151130203251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34044405.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 2151130203251 its reverse (1523020311512), we get a palindrome (3674150514763).

The spelling of 2151130203251 in words is "two trillion, one hundred fifty-one billion, one hundred thirty million, two hundred three thousand, two hundred fifty-one".