126551134421710 has 32 divisors (see below), whose sum is σ = 229247650504512. Its totient is φ = 50296998435840.

The previous prime is 126551134421611. The next prime is 126551134421741. The reversal of 126551134421710 is 17124431155621.

It is a super-2 number, since 2×126551134421710² (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 15 ways as a sum of consecutive naturals, for example, 78111070 + ... + 79714750.

It is an arithmetic number, because the mean of its divisors is an integer number (7163989078266).

Almost surely, 2^{126551134421710} is an apocalyptic number.

126551134421710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126551134421710 is a deficient number, since it is larger than the sum of its proper divisors (102696516082802).

126551134421710 is a wasteful number, since it uses less digits than its factorization.

126551134421710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654108.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 126551134421710 in words is "one hundred twenty-six trillion, five hundred fifty-one billion, one hundred thirty-four million, four hundred twenty-one thousand, seven hundred ten".