1093911521642 has 8 divisors (see below), whose sum is σ = 1641151236000. Its totient is φ = 546861109644.

The previous prime is 1093911521623. The next prime is 1093911521653. The reversal of 1093911521642 is 2461251193901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1093911521642² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1093911521593 and 1093911521602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47311142 + ... + 47334257.

It is an arithmetic number, because the mean of its divisors is an integer number (205143904500).

Almost surely, 2^{1093911521642} is an apocalyptic number.

1093911521642 is a deficient number, since it is larger than the sum of its proper divisors (547239714358).

1093911521642 is an equidigital number, since it uses as much as digits as its factorization.

1093911521642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94651180.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 1093911521642 in words is "one trillion, ninety-three billion, nine hundred eleven million, five hundred twenty-one thousand, six hundred forty-two".