105504131015542 has 16 divisors (see below), whose sum is σ = 190383394314240. Its totient is φ = 42836263720488.

The previous prime is 105504131015509. The next prime is 105504131015557. The reversal of 105504131015542 is 245510131405501.

It is a super-2 number, since 2×105504131015542² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198316035478 + ... + 198316036009.

It is an arithmetic number, because the mean of its divisors is an integer number (11898962144640).

Almost surely, 2^{105504131015542} is an apocalyptic number.

105504131015542 is a deficient number, since it is larger than the sum of its proper divisors (84879263298698).

105504131015542 is a wasteful number, since it uses less digits than its factorization.

105504131015542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396632071515.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 105504131015542 in words is "one hundred five trillion, five hundred four billion, one hundred thirty-one million, fifteen thousand, five hundred forty-two".