451215501010 has 32 divisors (see below), whose sum is σ = 823552116480. Its totient is φ = 177971874432.

The previous prime is 451215500999. The next prime is 451215501013. The reversal of 451215501010 is 10105512154.

It is a super-2 number, since 2×451215501010² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451215501013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364084 + ... + 1017343.

It is an arithmetic number, because the mean of its divisors is an integer number (25736003640).

Almost surely, 2^451215501010 is an apocalyptic number.

451215501010 is a deficient number, since it is larger than the sum of its proper divisors (372336615470).

451215501010 is a wasteful number, since it uses less digits than its factorization.

451215501010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381890.

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 451215501010 in words is "four hundred fifty-one billion, two hundred fifteen million, five hundred one thousand, ten".