451138701215 has 8 divisors (see below), whose sum is σ = 542917636800. Its totient is φ = 359876830752.

The previous prime is 451138701187. The next prime is 451138701253. The reversal of 451138701215 is 512107831154.

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 451138701215 - 2⁸ = 451138700959 is a prime.

It is a super-2 number, since 2×451138701215² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129264359 + ... + 129267848.

It is an arithmetic number, because the mean of its divisors is an integer number (67864704600).

Almost surely, 2^451138701215 is an apocalyptic number.

451138701215 is a deficient number, since it is larger than the sum of its proper divisors (91778935585).

451138701215 is a wasteful number, since it uses less digits than its factorization.

451138701215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258532561.

The product of its (nonzero) digits is 33600, while the sum is 38.

The spelling of 451138701215 in words is "four hundred fifty-one billion, one hundred thirty-eight million, seven hundred one thousand, two hundred fifteen".