1214555314151 has 4 divisors (see below), whose sum is σ = 1215157475472. Its totient is φ = 1213953152832.

The previous prime is 1214555314139. The next prime is 1214555314187. The reversal of 1214555314151 is 1514135554121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214555314151 is a prime.

It is a super-2 number, since 2×1214555314151² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214555313151) 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, 301077635 + ... + 301081668.

It is an arithmetic number, because the mean of its divisors is an integer number (303789368868).

Almost surely, 2^{1214555314151} is an apocalyptic number.

1214555314151 is a deficient number, since it is larger than the sum of its proper divisors (602161321).

1214555314151 is an equidigital number, since it uses as much as digits as its factorization.

1214555314151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602161320.

The product of its digits is 60000, while the sum is 38.

The spelling of 1214555314151 in words is "one trillion, two hundred fourteen billion, five hundred fifty-five million, three hundred fourteen thousand, one hundred fifty-one".