7123054803261 has 16 divisors (see below), whose sum is σ = 9567698468160. Its totient is φ = 4713682469760.

The previous prime is 7123054803251. The next prime is 7123054803317. The reversal of 7123054803261 is 1623084503217.

It is not a de Polignac number, because 7123054803261 - 2²¹ = 7123052706109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7123054803211) 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, 15434760 + ... + 15889553.

It is an arithmetic number, because the mean of its divisors is an integer number (597981154260).

Almost surely, 2^{7123054803261} is an apocalyptic number.

It is an amenable number.

7123054803261 is a deficient number, since it is larger than the sum of its proper divisors (2444643664899).

7123054803261 is a wasteful number, since it uses less digits than its factorization.

7123054803261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31324876.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 7123054803261 in words is "seven trillion, one hundred twenty-three billion, fifty-four million, eight hundred three thousand, two hundred sixty-one".