5111250010542 has 80 divisors (see below), whose sum is σ = 13059513693072. Its totient is φ = 1480180988160.

The previous prime is 5111250010513. The next prime is 5111250010561. The reversal of 5111250010542 is 2450100521115.

It is a happy number.

5111250010542 is a `hidden beast` number, since 5 + 1 + 1 + 12 + 500 + 105 + 42 = 666.

It is a super-2 number, since 2×5111250010542² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71346384 + ... + 71417987.

Almost surely, 2^{5111250010542} is an apocalyptic number.

5111250010542 is an abundant number, since it is smaller than the sum of its proper divisors (7948263682530).

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

5111250010542 is a wasteful number, since it uses less digits than its factorization.

5111250010542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142764415 (or 142764406 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 5111250010542 its reverse (2450100521115), we get a palindrome (7561350531657).

The spelling of 5111250010542 in words is "five trillion, one hundred eleven billion, two hundred fifty million, ten thousand, five hundred forty-two".