551051215032 has 128 divisors (see below), whose sum is σ = 1463715360000. Its totient is φ = 172393860096.

The previous prime is 551051215021. The next prime is 551051215079. The reversal of 551051215032 is 230512150155.

It is a super-2 number, since 2×551051215032² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21944308 + ... + 21969404.

It is an arithmetic number, because the mean of its divisors is an integer number (11435276250).

Almost surely, 2^551051215032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551051215032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731857680000).

551051215032 is an abundant number, since it is smaller than the sum of its proper divisors (912664144968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551051215032 is a wasteful number, since it uses less digits than its factorization.

551051215032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25573 (or 25569 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 551051215032 its reverse (230512150155), we get a palindrome (781563365187).

The spelling of 551051215032 in words is "five hundred fifty-one billion, fifty-one million, two hundred fifteen thousand, thirty-two".