120036551511 has 4 divisors (see below), whose sum is σ = 160048735352. Its totient is φ = 80024367672.

The previous prime is 120036551491. The next prime is 120036551543. The reversal of 120036551511 is 115155630021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120036551511 - 2¹¹ = 120036549463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120036551311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20006091916 + ... + 20006091921.

It is an arithmetic number, because the mean of its divisors is an integer number (40012183838).

Almost surely, 2^120036551511 is an apocalyptic number.

120036551511 is a deficient number, since it is larger than the sum of its proper divisors (40012183841).

120036551511 is an equidigital number, since it uses as much as digits as its factorization.

120036551511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40012183840.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 120036551511 in words is "one hundred twenty billion, thirty-six million, five hundred fifty-one thousand, five hundred eleven".