151164040561 has 4 divisors (see below), whose sum is σ = 151167645412. Its totient is φ = 151160435712.

The previous prime is 151164040543. The next prime is 151164040571. The reversal of 151164040561 is 165040461151.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61968634225 + 89195406336 = 248935^2 + 298656^2 .

It is a cyclic number.

It is not a de Polignac number, because 151164040561 - 2²³ = 151155651953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151164040571) 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, 1738776 + ... + 1823641.

It is an arithmetic number, because the mean of its divisors is an integer number (37791911353).

Almost surely, 2^151164040561 is an apocalyptic number.

It is an amenable number.

151164040561 is a deficient number, since it is larger than the sum of its proper divisors (3604851).

151164040561 is an equidigital number, since it uses as much as digits as its factorization.

151164040561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604850.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 151164040561 in words is "one hundred fifty-one billion, one hundred sixty-four million, forty thousand, five hundred sixty-one".