2251512213430 has 8 divisors (see below), whose sum is σ = 4052721984192. Its totient is φ = 900604885368.

The previous prime is 2251512213383. The next prime is 2251512213439. The reversal of 2251512213430 is 343122151522.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2251512213392 and 2251512213401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251512213439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112575610662 + ... + 112575610681.

It is an arithmetic number, because the mean of its divisors is an integer number (506590248024).

Almost surely, 2^{2251512213430} is an apocalyptic number.

2251512213430 is a deficient number, since it is larger than the sum of its proper divisors (1801209770762).

2251512213430 is a wasteful number, since it uses less digits than its factorization.

2251512213430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225151221350.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 2251512213430 its reverse (343122151522), we get a palindrome (2594634364952).

The spelling of 2251512213430 in words is "two trillion, two hundred fifty-one billion, five hundred twelve million, two hundred thirteen thousand, four hundred thirty".