120411211511450 has 48 divisors (see below), whose sum is σ = 238510003992120. Its totient is φ = 45069249054720.

The previous prime is 120411211511419. The next prime is 120411211511471. The reversal of 120411211511450 is 54115112114021.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 23364104651449 + 97047106860001 = 4833643^2 + 9851249^2 .

It is a super-2 number, since 2×120411211511450² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409275635 + ... + 409569734.

Almost surely, 2^{120411211511450} is an apocalyptic number.

120411211511450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120411211511450 is a deficient number, since it is larger than the sum of its proper divisors (118098792480670).

120411211511450 is a wasteful number, since it uses less digits than its factorization.

120411211511450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818845571 (or 818845566 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 29.

Adding to 120411211511450 its reverse (54115112114021), we get a palindrome (174526323625471).

The spelling of 120411211511450 in words is "one hundred twenty trillion, four hundred eleven billion, two hundred eleven million, five hundred eleven thousand, four hundred fifty".