2151200042425 has 24 divisors (see below), whose sum is σ = 3079986229376. Its totient is φ = 1459901283840.

The previous prime is 2151200042423. The next prime is 2151200042429. The reversal of 2151200042425 is 5242400021512.

It is a happy number.

It is not a de Polignac number, because 2151200042425 - 2¹ = 2151200042423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2151200042393 and 2151200042402.

It is not an unprimeable number, because it can be changed into a prime (2151200042423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63346797 + ... + 63380746.

Almost surely, 2^{2151200042425} is an apocalyptic number.

2151200042425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2151200042425 is a deficient number, since it is larger than the sum of its proper divisors (928786186951).

2151200042425 is a wasteful number, since it uses less digits than its factorization.

2151200042425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126727657 (or 126727652 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 2151200042425 its reverse (5242400021512), we get a palindrome (7393600063937).

The spelling of 2151200042425 in words is "two trillion, one hundred fifty-one billion, two hundred million, forty-two thousand, four hundred twenty-five".