151243210001 has 4 divisors (see below), whose sum is σ = 162877303092. Its totient is φ = 139609116912.

The previous prime is 151243209977. The next prime is 151243210003. The reversal of 151243210001 is 100012342151.

It is a Cunningham number, because it is equal to 388900²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100012342151 = 12347 ⋅8100133.

It can be written as a sum of positive squares in 2 ways, for example, as 22372979776 + 128870230225 = 149576^2 + 358985^2 .

It is a cyclic number.

It is not a de Polignac number, because 151243210001 - 2²⁶ = 151176101137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151243210003) 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, 5817046526 + ... + 5817046551.

It is an arithmetic number, because the mean of its divisors is an integer number (40719325773).

Almost surely, 2^151243210001 is an apocalyptic number.

It is an amenable number.

151243210001 is a deficient number, since it is larger than the sum of its proper divisors (11634093091).

151243210001 is a wasteful number, since it uses less digits than its factorization.

151243210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11634093090.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 151243210001 its reverse (100012342151), we get a palindrome (251255552152).

The spelling of 151243210001 in words is "one hundred fifty-one billion, two hundred forty-three million, two hundred ten thousand, one".