151040533621 has 8 divisors (see below), whose sum is σ = 153091868600. Its totient is φ = 149001301440.

The previous prime is 151040533619. The next prime is 151040533681. The reversal of 151040533621 is 126335040151.

It can be written as a sum of positive squares in 4 ways, for example, as 33193196100 + 117847337521 = 182190^2 + 343289^2 .

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 151040533621 - 2¹ = 151040533619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151040533601) 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, 3000570 + ... + 3050491.

It is an arithmetic number, because the mean of its divisors is an integer number (19136483575).

Almost surely, 2^151040533621 is an apocalyptic number.

It is an amenable number.

151040533621 is a deficient number, since it is larger than the sum of its proper divisors (2051334979).

151040533621 is a wasteful number, since it uses less digits than its factorization.

151040533621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051399.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 151040533621 its reverse (126335040151), we get a palindrome (277375573772).

The spelling of 151040533621 in words is "one hundred fifty-one billion, forty million, five hundred thirty-three thousand, six hundred twenty-one".