2151003213451 has 8 divisors (see below), whose sum is σ = 2203553911104. Its totient is φ = 2098456668480.

The previous prime is 2151003213409. The next prime is 2151003213467. The reversal of 2151003213451 is 1543123001512.

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 2151003213451 - 2¹⁷ = 2151003082379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2151003210451) 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, 23545 + ... + 2074261.

It is an arithmetic number, because the mean of its divisors is an integer number (275444238888).

Almost surely, 2^{2151003213451} is an apocalyptic number.

2151003213451 is a deficient number, since it is larger than the sum of its proper divisors (52550697653).

2151003213451 is a wasteful number, since it uses less digits than its factorization.

2151003213451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076341.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 2151003213451 its reverse (1543123001512), we get a palindrome (3694126214963).

The spelling of 2151003213451 in words is "two trillion, one hundred fifty-one billion, three million, two hundred thirteen thousand, four hundred fifty-one".