2137545185126 has 16 divisors (see below), whose sum is σ = 3452984975664. Its totient is φ = 986551496544.

The previous prime is 2137545185057. The next prime is 2137545185129. The reversal of 2137545185126 is 6215815457312.

It is a super-2 number, since 2×2137545185126² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137545185129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4207721 + ... + 4688283.

It is an arithmetic number, because the mean of its divisors is an integer number (215811560979).

Almost surely, 2^{2137545185126} is an apocalyptic number.

2137545185126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2137545185126 is a deficient number, since it is larger than the sum of its proper divisors (1315439790538).

2137545185126 is a wasteful number, since it uses less digits than its factorization.

2137545185126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651655.

The product of its digits is 2016000, while the sum is 50.

The spelling of 2137545185126 in words is "two trillion, one hundred thirty-seven billion, five hundred forty-five million, one hundred eighty-five thousand, one hundred twenty-six".