120143115251451 has 16 divisors (see below), whose sum is σ = 177989999685120. Its totient is φ = 80095320477000.

The previous prime is 120143115251431. The next prime is 120143115251473. The reversal of 120143115251451 is 154152511341021.

It is a happy number.

120143115251451 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 4 + 3 + 1 + 152 + 51 + 451 = 666.

It is not a de Polignac number, because 120143115251451 - 2³⁷ = 120005676297979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120143115251431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29566746 + ... + 33383808.

It is an arithmetic number, because the mean of its divisors is an integer number (11124374980320).

Almost surely, 2^{120143115251451} is an apocalyptic number.

120143115251451 is a deficient number, since it is larger than the sum of its proper divisors (57846884433669).

120143115251451 is a wasteful number, since it uses less digits than its factorization.

120143115251451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982823 (or 4982817 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

Adding to 120143115251451 its reverse (154152511341021), we get a palindrome (274295626592472).

The spelling of 120143115251451 in words is "one hundred twenty trillion, one hundred forty-three billion, one hundred fifteen million, two hundred fifty-one thousand, four hundred fifty-one".