5157881756542 has 8 divisors (see below), whose sum is σ = 7925525626032. Its totient is φ = 2516039881200.

The previous prime is 5157881756537. The next prime is 5157881756557. The reversal of 5157881756542 is 2456571887515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31450498434 + ... + 31450498597.

It is an arithmetic number, because the mean of its divisors is an integer number (990690703254).

Almost surely, 2^{5157881756542} is an apocalyptic number.

5157881756542 is a deficient number, since it is larger than the sum of its proper divisors (2767643869490).

5157881756542 is a wasteful number, since it uses less digits than its factorization.

5157881756542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62900997074.

The product of its digits is 94080000, while the sum is 64.

The spelling of 5157881756542 in words is "five trillion, one hundred fifty-seven billion, eight hundred eighty-one million, seven hundred fifty-six thousand, five hundred forty-two".