151156561011 has 4 divisors (see below), whose sum is σ = 201542081352. Its totient is φ = 100771040672.

The previous prime is 151156561001. The next prime is 151156561019. The reversal of 151156561011 is 110165651151.

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

It is a cyclic number.

It is not a de Polignac number, because 151156561011 - 2²³ = 151148172403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151156561019) 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, 25192760166 + ... + 25192760171.

It is an arithmetic number, because the mean of its divisors is an integer number (50385520338).

Almost surely, 2^151156561011 is an apocalyptic number.

151156561011 is a deficient number, since it is larger than the sum of its proper divisors (50385520341).

151156561011 is an equidigital number, since it uses as much as digits as its factorization.

151156561011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50385520340.

The product of its (nonzero) digits is 4500, while the sum is 33.

The spelling of 151156561011 in words is "one hundred fifty-one billion, one hundred fifty-six million, five hundred sixty-one thousand, eleven".