51010101150 has 48 divisors (see below), whose sum is σ = 126553303344. Its totient is φ = 13597505280.

The previous prime is 51010101139. The next prime is 51010101343. The reversal of 51010101150 is 5110101015.

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 23 ways as a sum of consecutive naturals, for example, 338034 + ... + 465066.

It is an arithmetic number, because the mean of its divisors is an integer number (2636527153).

Almost surely, 2^51010101150 is an apocalyptic number.

51010101150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51010101150 is an abundant number, since it is smaller than the sum of its proper divisors (75543202194).

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

51010101150 is a wasteful number, since it uses less digits than its factorization.

51010101150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129725 (or 129720 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 51010101150 its reverse (5110101015), we get a palindrome (56120202165).

The spelling of 51010101150 in words is "fifty-one billion, ten million, one hundred one thousand, one hundred fifty".