126535650537 has 32 divisors (see below), whose sum is σ = 182154994560. Its totient is φ = 77839303680.

The previous prime is 126535650509. The next prime is 126535650583. The reversal of 126535650537 is 735056535621.

It is not a de Polignac number, because 126535650537 - 2²⁴ = 126518873321 is a prime.

It is a super-2 number, since 2×126535650537² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126535600537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065987 + ... + 1178727.

It is an arithmetic number, because the mean of its divisors is an integer number (5692343580).

Almost surely, 2^126535650537 is an apocalyptic number.

126535650537 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

126535650537 is a deficient number, since it is larger than the sum of its proper divisors (55619344023).

126535650537 is a wasteful number, since it uses less digits than its factorization.

126535650537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113193.

The product of its (nonzero) digits is 2835000, while the sum is 48.

The spelling of 126535650537 in words is "one hundred twenty-six billion, five hundred thirty-five million, six hundred fifty thousand, five hundred thirty-seven".