151233415022421 has 64 divisors (see below), whose sum is σ = 241498211788800. Its totient is φ = 93187137657600.

The previous prime is 151233415022411. The next prime is 151233415022449. The reversal of 151233415022421 is 124220514332151.

151233415022421 is a `hidden beast` number, since 1 + 5 + 1 + 23 + 341 + 50 + 2 + 242 + 1 = 666.

It is not a de Polignac number, because 151233415022421 - 2¹⁵ = 151233414989653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151233415022401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23420016 + ... + 29171286.

It is an arithmetic number, because the mean of its divisors is an integer number (3773409559200).

Almost surely, 2^{151233415022421} is an apocalyptic number.

It is an amenable number.

151233415022421 is a deficient number, since it is larger than the sum of its proper divisors (90264796766379).

151233415022421 is a wasteful number, since it uses less digits than its factorization.

151233415022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752327 (or 5752321 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 151233415022421 its reverse (124220514332151), we get a palindrome (275453929354572).

The spelling of 151233415022421 in words is "one hundred fifty-one trillion, two hundred thirty-three billion, four hundred fifteen million, twenty-two thousand, four hundred twenty-one".