151283692637281 has 8 divisors (see below), whose sum is σ = 151363524501800. Its totient is φ = 151203874590720.

The previous prime is 151283692637269. The next prime is 151283692637347. The reversal of 151283692637281 is 182736296382151.

It can be written as a sum of positive squares in 4 ways, for example, as 2184720486400 + 149098972150881 = 1478080^2 + 12210609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151283692637281 - 2⁵ = 151283692637249 is a prime.

It is a super-2 number, since 2×151283692637281² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151283692637251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18484705 + ... + 25382113.

It is an arithmetic number, because the mean of its divisors is an integer number (18920440562725).

Almost surely, 2^{151283692637281} is an apocalyptic number.

It is an amenable number.

151283692637281 is a deficient number, since it is larger than the sum of its proper divisors (79831864519).

151283692637281 is an equidigital number, since it uses as much as digits as its factorization.

151283692637281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908979.

The product of its digits is 52254720, while the sum is 64.

The spelling of 151283692637281 in words is "one hundred fifty-one trillion, two hundred eighty-three billion, six hundred ninety-two million, six hundred thirty-seven thousand, two hundred eighty-one".