51134331501 has 72 divisors (see below), whose sum is σ = 87051968640. Its totient is φ = 28797500160.

The previous prime is 51134331499. The next prime is 51134331511. The reversal of 51134331501 is 10513343115.

It is a happy number.

51134331501 is a `hidden beast` number, since 5 + 1 + 1 + 343 + 315 + 0 + 1 = 666.

It is not a de Polignac number, because 51134331501 - 2¹ = 51134331499 is a prime.

It is a super-2 number, since 2×51134331501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51134331511) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1445046 + ... + 1480008.

It is an arithmetic number, because the mean of its divisors is an integer number (1209055120).

Almost surely, 2^51134331501 is an apocalyptic number.

51134331501 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

51134331501 is a deficient number, since it is larger than the sum of its proper divisors (35917637139).

51134331501 is a wasteful number, since it uses less digits than its factorization.

51134331501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35087 (or 35073 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 51134331501 its reverse (10513343115), we get a palindrome (61647674616).

The spelling of 51134331501 in words is "fifty-one billion, one hundred thirty-four million, three hundred thirty-one thousand, five hundred one".