120411211511145 has 32 divisors (see below), whose sum is σ = 200136587422464. Its totient is φ = 61770551628800.

The previous prime is 120411211511057. The next prime is 120411211511167. The reversal of 120411211511145 is 541115112114021.

It is not a de Polignac number, because 120411211511145 - 2¹⁷ = 120411211380073 is a prime.

It is a super-2 number, since 2×120411211511145² (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 31 ways as a sum of consecutive naturals, for example, 1378763292 + ... + 1378850621.

It is an arithmetic number, because the mean of its divisors is an integer number (6254268356952).

Almost surely, 2^{120411211511145} is an apocalyptic number.

120411211511145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120411211511145 is a deficient number, since it is larger than the sum of its proper divisors (79725375911319).

120411211511145 is a wasteful number, since it uses less digits than its factorization.

120411211511145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757614033.

The product of its (nonzero) digits is 1600, while the sum is 30.

Adding to 120411211511145 its reverse (541115112114021), we get a palindrome (661526323625166).

The spelling of 120411211511145 in words is "one hundred twenty trillion, four hundred eleven billion, two hundred eleven million, five hundred eleven thousand, one hundred forty-five".