120411211511451 has 24 divisors (see below), whose sum is σ = 186760985304384. Its totient is φ = 68806134359760.

The previous prime is 120411211511419. The next prime is 120411211511471. The reversal of 120411211511451 is 154115112114021.

It is not a de Polignac number, because 120411211511451 - 2⁵ = 120411211511419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120411211511471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39137296 + ... + 42101666.

It is an arithmetic number, because the mean of its divisors is an integer number (7781707721016).

Almost surely, 2^{120411211511451} is an apocalyptic number.

120411211511451 is a deficient number, since it is larger than the sum of its proper divisors (66349773792933).

120411211511451 is a wasteful number, since it uses less digits than its factorization.

120411211511451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240711 (or 3240704 counting only the distinct ones).

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

Adding to 120411211511451 its reverse (154115112114021), we get a palindrome (274526323625472).

The spelling of 120411211511451 in words is "one hundred twenty trillion, four hundred eleven billion, two hundred eleven million, five hundred eleven thousand, four hundred fifty-one".