151755120546461 has 4 divisors (see below), whose sum is σ = 151917079053852. Its totient is φ = 151593162039072.

The previous prime is 151755120546457. The next prime is 151755120546563. The reversal of 151755120546461 is 164645021557151.

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 76579388431225 + 75175732115236 = 8750965^2 + 8670394^2 .

It is a cyclic number.

It is not a de Polignac number, because 151755120546461 - 2² = 151755120546457 is a prime.

It is a super-2 number, since 2×151755120546461² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151755120546401) 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, 80979252290 + ... + 80979254163.

It is an arithmetic number, because the mean of its divisors is an integer number (37979269763463).

Almost surely, 2^{151755120546461} is an apocalyptic number.

It is an amenable number.

151755120546461 is a deficient number, since it is larger than the sum of its proper divisors (161958507391).

151755120546461 is an equidigital number, since it uses as much as digits as its factorization.

151755120546461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161958507390.

The product of its (nonzero) digits is 5040000, while the sum is 53.

The spelling of 151755120546461 in words is "one hundred fifty-one trillion, seven hundred fifty-five billion, one hundred twenty million, five hundred forty-six thousand, four hundred sixty-one".