1451111423240 has 16 divisors (see below), whose sum is σ = 3265000702380. Its totient is φ = 580444569280.

The previous prime is 1451111423219. The next prime is 1451111423297. The reversal of 1451111423240 is 423241111541.

It can be written as a sum of positive squares in 2 ways, for example, as 1345474722916 + 105636700324 = 1159946^2 + 325018^2 .

It is a super-3 number, since 3×1451111423240³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18138892751 + ... + 18138892830.

Almost surely, 2^{1451111423240} is an apocalyptic number.

1451111423240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451111423240 is an abundant number, since it is smaller than the sum of its proper divisors (1813889279140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1451111423240 is a wasteful number, since it uses less digits than its factorization.

1451111423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36277785592 (or 36277785588 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 1451111423240 its reverse (423241111541), we get a palindrome (1874352534781).

The spelling of 1451111423240 in words is "one trillion, four hundred fifty-one billion, one hundred eleven million, four hundred twenty-three thousand, two hundred forty".