551196721151 has 4 divisors (see below), whose sum is σ = 551221457472. Its totient is φ = 551171984832.

The previous prime is 551196721087. The next prime is 551196721169. The reversal of 551196721151 is 151127691155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551196721151 - 2⁶ = 551196721087 is a prime.

It is a super-2 number, since 2×551196721151² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551196721051) 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, 12334706 + ... + 12379311.

It is an arithmetic number, because the mean of its divisors is an integer number (137805364368).

Almost surely, 2^551196721151 is an apocalyptic number.

551196721151 is a deficient number, since it is larger than the sum of its proper divisors (24736321).

551196721151 is a wasteful number, since it uses less digits than its factorization.

551196721151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24736320.

The product of its digits is 94500, while the sum is 44.

The spelling of 551196721151 in words is "five hundred fifty-one billion, one hundred ninety-six million, seven hundred twenty-one thousand, one hundred fifty-one".