7450105640881 has 16 divisors (see below), whose sum is σ = 7529853277440. Its totient is φ = 7370504544960.

The previous prime is 7450105640849. The next prime is 7450105640891. The reversal of 7450105640881 is 1880465010547.

It is a cyclic number.

It is not a de Polignac number, because 7450105640881 - 2⁵ = 7450105640849 is a prime.

It is a super-2 number, since 2×7450105640881² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7450105640891) 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, 507873615 + ... + 507888283.

It is an arithmetic number, because the mean of its divisors is an integer number (470615829840).

Almost surely, 2^{7450105640881} is an apocalyptic number.

It is an amenable number.

7450105640881 is a deficient number, since it is larger than the sum of its proper divisors (79747636559).

7450105640881 is a wasteful number, since it uses less digits than its factorization.

7450105640881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19296.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 7450105640881 in words is "seven trillion, four hundred fifty billion, one hundred five million, six hundred forty thousand, eight hundred eighty-one".