7042123511553 has 32 divisors (see below), whose sum is σ = 10551757789440. Its totient is φ = 4145059480320.

The previous prime is 7042123511539. The next prime is 7042123511557. The reversal of 7042123511553 is 3551153212407.

It is not a de Polignac number, because 7042123511553 - 2¹⁰ = 7042123510529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (7042123511557) 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, 31265743 + ... + 31490171.

It is an arithmetic number, because the mean of its divisors is an integer number (329742430920).

Almost surely, 2^{7042123511553} is an apocalyptic number.

It is an amenable number.

7042123511553 is a deficient number, since it is larger than the sum of its proper divisors (3509634277887).

7042123511553 is a wasteful number, since it uses less digits than its factorization.

7042123511553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259449.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 7042123511553 in words is "seven trillion, forty-two billion, one hundred twenty-three million, five hundred eleven thousand, five hundred fifty-three".