126545453773 has 16 divisors (see below), whose sum is σ = 138329971200. Its totient is φ = 115390154880.

The previous prime is 126545453753. The next prime is 126545453777. The reversal of 126545453773 is 377354545621.

It is a cyclic number.

It is not a de Polignac number, because 126545453773 - 2⁹ = 126545453261 is a prime.

It is a super-2 number, since 2×126545453773² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126545453773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126545453777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1148088 + ... + 1253473.

It is an arithmetic number, because the mean of its divisors is an integer number (8645623200).

Almost surely, 2^126545453773 is an apocalyptic number.

It is an amenable number.

126545453773 is a deficient number, since it is larger than the sum of its proper divisors (11784517427).

126545453773 is a wasteful number, since it uses less digits than its factorization.

126545453773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401692.

The product of its digits is 10584000, while the sum is 52.

The spelling of 126545453773 in words is "one hundred twenty-six billion, five hundred forty-five million, four hundred fifty-three thousand, seven hundred seventy-three".