5131122000 has 80 divisors (see below), whose sum is σ = 16542756672. Its totient is φ = 1368297600.

The previous prime is 5131121987. The next prime is 5131122041. The reversal of 5131122000 is 2211315.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421594 + ... + 433593.

Almost surely, 2^5131122000 is an apocalyptic number.

5131122000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5131122000 is an abundant number, since it is smaller than the sum of its proper divisors (11411634672).

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

5131122000 is a wasteful number, since it uses less digits than its factorization.

5131122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855213 (or 855197 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 5131122000 is about 71631.8504577398. The cubic root of 5131122000 is about 1724.7948506294.

Adding to 5131122000 its reverse (2211315), we get a palindrome (5133333315).

The spelling of 5131122000 in words is "five billion, one hundred thirty-one million, one hundred twenty-two thousand".