5155251061 has 4 divisors (see below), whose sum is σ = 5155687072. Its totient is φ = 5154815052.

The previous prime is 5155250993. The next prime is 5155251067. The reversal of 5155251061 is 1601525515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5155251061 - 2²¹ = 5153153909 is a prime.

It is a super-2 number, since 2×5155251061² = 53153227003883251442, which 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 (5155251067) 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, 199761 + ... + 224086.

It is an arithmetic number, because the mean of its divisors is an integer number (1288921768).

Almost surely, 2^5155251061 is an apocalyptic number.

It is an amenable number.

5155251061 is a deficient number, since it is larger than the sum of its proper divisors (436011).

5155251061 is a wasteful number, since it uses less digits than its factorization.

5155251061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436010.

The product of its (nonzero) digits is 7500, while the sum is 31.

The square root of 5155251061 is about 71800.0770264211. The cubic root of 5155251061 is about 1727.4942351859.

Adding to 5155251061 its reverse (1601525515), we get a palindrome (6756776576).

The spelling of 5155251061 in words is "five billion, one hundred fifty-five million, two hundred fifty-one thousand, sixty-one".