7420720611126 has 64 divisors (see below), whose sum is σ = 15098783616000. Its totient is φ = 2430911683200.

The previous prime is 7420720611079. The next prime is 7420720611127. The reversal of 7420720611126 is 6211160270247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420720611127) 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, 552911896 + ... + 552925316.

It is an arithmetic number, because the mean of its divisors is an integer number (235918494000).

Almost surely, 2^{7420720611126} is an apocalyptic number.

7420720611126 is an abundant number, since it is smaller than the sum of its proper divisors (7678063004874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7420720611126 is a wasteful number, since it uses less digits than its factorization.

7420720611126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17565.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 7420720611126 in words is "seven trillion, four hundred twenty billion, seven hundred twenty million, six hundred eleven thousand, one hundred twenty-six".