1214309998551 has 8 divisors (see below), whose sum is σ = 1743624613360. Its totient is φ = 747267691392.

The previous prime is 1214309998549. The next prime is 1214309998553. The reversal of 1214309998551 is 1558999034121.

It is an interprime number because it is at equal distance from previous prime (1214309998549) and next prime (1214309998553).

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

It is not a de Polignac number, because 1214309998551 - 2¹ = 1214309998549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214309998491 and 1214309998500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214309998553) 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, 15568076866 + ... + 15568076943.

It is an arithmetic number, because the mean of its divisors is an integer number (217953076670).

Almost surely, 2^{1214309998551} is an apocalyptic number.

1214309998551 is a deficient number, since it is larger than the sum of its proper divisors (529314614809).

1214309998551 is a wasteful number, since it uses less digits than its factorization.

1214309998551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31136153825.

The product of its (nonzero) digits is 3499200, while the sum is 57.

The spelling of 1214309998551 in words is "one trillion, two hundred fourteen billion, three hundred nine million, nine hundred ninety-eight thousand, five hundred fifty-one".