120355551411 has 12 divisors (see below), whose sum is σ = 163961065032. Its totient is φ = 78529859008.

The previous prime is 120355551401. The next prime is 120355551413. The reversal of 120355551411 is 114155553021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-120355551411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120355551413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9074070 + ... + 9087323.

It is an arithmetic number, because the mean of its divisors is an integer number (13663422086).

Almost surely, 2^120355551411 is an apocalyptic number.

120355551411 is a deficient number, since it is larger than the sum of its proper divisors (43605513621).

120355551411 is an equidigital number, since it uses as much as digits as its factorization.

120355551411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18161490 (or 18161443 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 120355551411 in words is "one hundred twenty billion, three hundred fifty-five million, five hundred fifty-one thousand, four hundred eleven".